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Named <br />0? <br />'le 6, <br />? y a <br />C <br />o <br />0 3 w <br />E <br />X <br />0 <br />G. <br />E~ <br />m <br />o - <br />Ri <br />C4 <br />GL <br />General Formation Description <br />Wasatch Formation - <br />Shales, mudstone, sandstone & conglomerate <br />Shales often carbonaceous with lenses of coo <br />or conglomerate: sandstones thinly bedded <br />and persistent. <br />Upper Williams Fork Formation - <br />Sandstone: thick, fine-grained; interbeds with <br />siltstone and shale; locally thin bedded and <br />carbonaceous with shaley laminae or thin <br />discontinuous coals. <br />J-Seam <br />H-Seam <br />G-Seam <br />F-Seam <br />E-Seam <br />D-Seam <br />B-Seam <br />H-Sandstone <br />Iles Seam <br />x <br />o r? <br />G- . c5 <br />V° O <br />0 <br />d <br />o E <br />m O W <br />O, U <br />0 <br />o E <br />7'7'7 o <br />o G <br />---_ o <br />=T T= 4 0 <br />+ U <br />?T v <br />Coal --- <br />TT Limestone 0 Fossiliferous <br />Shale or mudstone Sandstone <br />Sandy shale Conglomerate <br />17-7 <br />Lower Williams Fork Formation - <br />Sandstone, siltstonc, mudstone an coal; sands <br />fine-grained, calcareous, lenticular, interbed <br />with siltstones and mudstones; Silts and shales <br />often burrowed and sideritic; Mudstones gray to <br />black, carbonaceous; Coals may be thick and <br />persistent or thin, erratic and discontinuous. <br />Iles Formation - <br />Sandstone and siltstone: light to dark gray, <br />sands fine to very fine-grained, calcareous, <br />silty to shaley; Locally carbonaceous or may <br />include thin discontinuous coals. <br />Mancos Shale - <br />Shale; dark gray, marine;interbeds with silts <br />and very fine to medium-grained sandstones; <br />foss iliferous in places. <br />Access routes were selected based on minimizing the extent of disturbance, limiting the <br />potential for future public access, avoiding known archeological resources, and minimizing <br />impact to wildlife habitat of greater value. <br />8