div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader042fdocumentsusreader042viewer20220314085c5f5fca09d3f28b1d8b4c5fhtml5page1jpg target=_blank img data-url=document-0-12-feet-thick-white-river-group-chadron-formation-light-greenish-to-purplishhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: · 0-12 feet thick White River Group Chadron Formation Light-greenish to purplish bentonitic clay with 2 layers of calcareous- cemented fine- Qa1Ì 726 72 2831 22 27 34 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader042fdocumentsusreader042viewer20220314085c5f5fca09d3f28b1d8b4c5fhtml5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader042fdocumentsusreader042viewer20220314085c5f5fca09d3f28b1d8b4c5fhtml5page2jpg target=_blank img data-url=document-0-12-feet-thick-white-river-group-chadron-formation-light-greenish-to-purplishhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: · 0-12 feet thick White River Group Chadron Formation Light-greenish to purplish bentonitic clay with 2 layers of calcareous- cemented fine- Qa1Ì 726 72 2831 22 27 34 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader042fdocumentsusreader042viewer20220314085c5f5fca09d3f28b1d8b4c5fhtml5thumbnails2jpg width=140 height=200 adivdiv