div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=pubsusgsgov-department-of-the-interior-u-s-geological-survey-of-oriented-aggregateshtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: pubsusgsgov · DEPARTMENT OF THE INTERIOR U S GEOLOGICAL SURVEY of oriented aggregates Heated to 5500C at least 12 hour Increase in intensity of 242 spacing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer20220422025ea242fddfa01e209b5d68cdhtml5thumbnails1jpg width=140 height=200 divdiv