div class=ts-pagebuttonPage 1button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page1jpg target=_blank amp-img class=ts-thumb alt=Page 1: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 2button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page2jpg target=_blank amp-img class=ts-thumb alt=Page 2: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 3button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page3jpg target=_blank amp-img class=ts-thumb alt=Page 3: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails3jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 4button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page4jpg target=_blank amp-img class=ts-thumb alt=Page 4: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails4jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 5button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page5jpg target=_blank amp-img class=ts-thumb alt=Page 5: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails5jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 6button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page6jpg target=_blank amp-img class=ts-thumb alt=Page 6: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails6jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 7button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page7jpg target=_blank amp-img class=ts-thumb alt=Page 7: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails7jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 8button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page8jpg target=_blank amp-img class=ts-thumb alt=Page 8: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails8jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 9button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page9jpg target=_blank amp-img class=ts-thumb alt=Page 9: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails9jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 10button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page10jpg target=_blank amp-img class=ts-thumb alt=Page 10: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails10jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 11button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page11jpg target=_blank amp-img class=ts-thumb alt=Page 11: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails11jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 12button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page12jpg target=_blank amp-img class=ts-thumb alt=Page 12: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails12jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 13button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page13jpg target=_blank amp-img class=ts-thumb alt=Page 13: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails13jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 14button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page14jpg target=_blank amp-img class=ts-thumb alt=Page 14: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails14jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 15button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page15jpg target=_blank amp-img class=ts-thumb alt=Page 15: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails15jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 16button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page16jpg target=_blank amp-img class=ts-thumb alt=Page 16: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails16jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 17button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page17jpg target=_blank amp-img class=ts-thumb alt=Page 17: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails17jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 18button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page18jpg target=_blank amp-img class=ts-thumb alt=Page 18: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails18jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 19button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page19jpg target=_blank amp-img class=ts-thumb alt=Page 19: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails19jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 20button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page20jpg target=_blank amp-img class=ts-thumb alt=Page 20: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails20jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 21button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page21jpg target=_blank amp-img class=ts-thumb alt=Page 21: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails21jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 22button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page22jpg target=_blank amp-img class=ts-thumb alt=Page 22: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails22jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 23button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page23jpg target=_blank amp-img class=ts-thumb alt=Page 23: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails23jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 24button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page24jpg target=_blank amp-img class=ts-thumb alt=Page 24: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails24jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 25button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page25jpg target=_blank amp-img class=ts-thumb alt=Page 25: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails25jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 26button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page26jpg target=_blank amp-img class=ts-thumb alt=Page 26: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails26jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 27button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page27jpg target=_blank amp-img class=ts-thumb alt=Page 27: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails27jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 28button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page28jpg target=_blank amp-img class=ts-thumb alt=Page 28: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails28jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 29button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page29jpg target=_blank amp-img class=ts-thumb alt=Page 29: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails29jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 30button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page30jpg target=_blank amp-img class=ts-thumb alt=Page 30: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails30jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 31button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page31jpg target=_blank amp-img class=ts-thumb alt=Page 31: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails31jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 32button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page32jpg target=_blank amp-img class=ts-thumb alt=Page 32: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails32jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 33button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page33jpg target=_blank amp-img class=ts-thumb alt=Page 33: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails33jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 34button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page34jpg target=_blank amp-img class=ts-thumb alt=Page 34: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails34jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 35button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page35jpg target=_blank amp-img class=ts-thumb alt=Page 35: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails35jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 36button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page36jpg target=_blank amp-img class=ts-thumb alt=Page 36: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails36jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 37button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page37jpg target=_blank amp-img class=ts-thumb alt=Page 37: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails37jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 38button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page38jpg target=_blank amp-img class=ts-thumb alt=Page 38: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails38jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 39button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page39jpg target=_blank amp-img class=ts-thumb alt=Page 39: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails39jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 40button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page40jpg target=_blank amp-img class=ts-thumb alt=Page 40: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails40jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 41button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page41jpg target=_blank amp-img class=ts-thumb alt=Page 41: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails41jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 42button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page42jpg target=_blank amp-img class=ts-thumb alt=Page 42: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails42jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 43button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page43jpg target=_blank amp-img class=ts-thumb alt=Page 43: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails43jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 44button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page44jpg target=_blank amp-img class=ts-thumb alt=Page 44: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails44jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 45button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page45jpg target=_blank amp-img class=ts-thumb alt=Page 45: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails45jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 46button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page46jpg target=_blank amp-img class=ts-thumb alt=Page 46: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails46jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 47button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page47jpg target=_blank amp-img class=ts-thumb alt=Page 47: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails47jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 48button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page48jpg target=_blank amp-img class=ts-thumb alt=Page 48: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails48jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 49button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page49jpg target=_blank amp-img class=ts-thumb alt=Page 49: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails49jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 50button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page50jpg target=_blank amp-img class=ts-thumb alt=Page 50: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails50jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 51button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page51jpg target=_blank amp-img class=ts-thumb alt=Page 51: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails51jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 52button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page52jpg target=_blank amp-img class=ts-thumb alt=Page 52: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails52jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 53button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page53jpg target=_blank amp-img class=ts-thumb alt=Page 53: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails53jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 54button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page54jpg target=_blank amp-img class=ts-thumb alt=Page 54: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails54jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 55button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page55jpg target=_blank amp-img class=ts-thumb alt=Page 55: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails55jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 56button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page56jpg target=_blank amp-img class=ts-thumb alt=Page 56: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails56jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 57button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page57jpg target=_blank amp-img class=ts-thumb alt=Page 57: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails57jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 58button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page58jpg target=_blank amp-img class=ts-thumb alt=Page 58: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails58jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 59button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page59jpg target=_blank amp-img class=ts-thumb alt=Page 59: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails59jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 60button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page60jpg target=_blank amp-img class=ts-thumb alt=Page 60: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails60jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 61button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page61jpg target=_blank amp-img class=ts-thumb alt=Page 61: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails61jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 62button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page62jpg target=_blank amp-img class=ts-thumb alt=Page 62: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails62jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 63button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page63jpg target=_blank amp-img class=ts-thumb alt=Page 63: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails63jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 64button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page64jpg target=_blank amp-img class=ts-thumb alt=Page 64: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails64jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 65button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page65jpg target=_blank amp-img class=ts-thumb alt=Page 65: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails65jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 66button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page66jpg target=_blank amp-img class=ts-thumb alt=Page 66: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails66jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 67button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page67jpg target=_blank amp-img class=ts-thumb alt=Page 67: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails67jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 68button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page68jpg target=_blank amp-img class=ts-thumb alt=Page 68: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails68jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 69button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page69jpg target=_blank amp-img class=ts-thumb alt=Page 69: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails69jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 70button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page70jpg target=_blank amp-img class=ts-thumb alt=Page 70: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails70jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 71button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page71jpg target=_blank amp-img class=ts-thumb alt=Page 71: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails71jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 72button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page72jpg target=_blank amp-img class=ts-thumb alt=Page 72: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails72jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 73button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page73jpg target=_blank amp-img class=ts-thumb alt=Page 73: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails73jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 74button div class=ts-image a href=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5page74jpg target=_blank amp-img class=ts-thumb alt=Page 74: digitallibraryuntedu67531metadc66411m21high · FIGURE 9—Closed circuit with 19- by 36-inch mill and Dorr bowl classifier src=https:reader043vdocumentssitereader043viewer20220225015aa95f0f7f8b9a95188cb8cahtml5thumbnails74jpg width=142 height=106 layout=responsive amp-imga divdiv