div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails4jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails6jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=7Page 7button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=7 data-page=7 class=ts-thumb lazyload alt=Page 7: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails7jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=8Page 8button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=8 data-page=8 class=ts-thumb lazyload alt=Page 8: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails8jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=9Page 9button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=9 data-page=9 class=ts-thumb lazyload alt=Page 9: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails9jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=10Page 10button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=10 data-page=10 class=ts-thumb lazyload alt=Page 10: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails10jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=11Page 11button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=11 data-page=11 class=ts-thumb lazyload alt=Page 11: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails11jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=12Page 12button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=12 data-page=12 class=ts-thumb lazyload alt=Page 12: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails12jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=13Page 13button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=13 data-page=13 class=ts-thumb lazyload alt=Page 13: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails13jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=14Page 14button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=14 data-page=14 class=ts-thumb lazyload alt=Page 14: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails14jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=15Page 15button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=15 data-page=15 class=ts-thumb lazyload alt=Page 15: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails15jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=16Page 16button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=16 data-page=16 class=ts-thumb lazyload alt=Page 16: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails16jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=17Page 17button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=17 data-page=17 class=ts-thumb lazyload alt=Page 17: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails17jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=18Page 18button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=18 data-page=18 class=ts-thumb lazyload alt=Page 18: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails18jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=19Page 19button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=19 data-page=19 class=ts-thumb lazyload alt=Page 19: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails19jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=20Page 20button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=20 data-page=20 class=ts-thumb lazyload alt=Page 20: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails20jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=21Page 21button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=21 data-page=21 class=ts-thumb lazyload alt=Page 21: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails21jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=22Page 22button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=22 data-page=22 class=ts-thumb lazyload alt=Page 22: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails22jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=23Page 23button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=23 data-page=23 class=ts-thumb lazyload alt=Page 23: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails23jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=24Page 24button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=24 data-page=24 class=ts-thumb lazyload alt=Page 24: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails24jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=25Page 25button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=25 data-page=25 class=ts-thumb lazyload alt=Page 25: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails25jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=26Page 26button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=26 data-page=26 class=ts-thumb lazyload alt=Page 26: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails26jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=27Page 27button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=27 data-page=27 class=ts-thumb lazyload alt=Page 27: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails27jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=28Page 28button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=28 data-page=28 class=ts-thumb lazyload alt=Page 28: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails28jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=29Page 29button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=29 data-page=29 class=ts-thumb lazyload alt=Page 29: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails29jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=30Page 30button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=30 data-page=30 class=ts-thumb lazyload alt=Page 30: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails30jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=31Page 31button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=31 data-page=31 class=ts-thumb lazyload alt=Page 31: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails31jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=32Page 32button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=32 data-page=32 class=ts-thumb lazyload alt=Page 32: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails32jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=33Page 33button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=33 data-page=33 class=ts-thumb lazyload alt=Page 33: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails33jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=34Page 34button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=34 data-page=34 class=ts-thumb lazyload alt=Page 34: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails34jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=35Page 35button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=35 data-page=35 class=ts-thumb lazyload alt=Page 35: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails35jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=36Page 36button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=36 data-page=36 class=ts-thumb lazyload alt=Page 36: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails36jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=37Page 37button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=37 data-page=37 class=ts-thumb lazyload alt=Page 37: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails37jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=38Page 38button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=38 data-page=38 class=ts-thumb lazyload alt=Page 38: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails38jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=39Page 39button div class=ts-imageimg data-url=-on-kennedys-formula-and-make-the-width-of-the-stone-apron-twice-the-greatesthtmlpage=39 data-page=39 class=ts-thumb lazyload alt=Page 39: on Kennedys formula and make the width of the stone apron twice the greatest scour depth * The top width of the impregn- able head should not be less than that depth which is loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e817ebdbfe318c72710dbhtml5thumbnails39jpg width=140 height=200 divdiv
