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I <br />a <br />4 <br />0 <br />0 <br />0 <br />0 <br />ti <br /> <br />Explanation <br />m <br />LL of Artificial, fill (homogeneous day dams) <br />a <br />W I <br />Ogt Grand Mesa Formation (T7II) <br />a I <br />Younger~glacial deposits (Pinedale?): unsorted to <br />poorly sorted, subangular, unconsolidated, pebble to <br />v, boulder-~ize detritus in afine-grained matrix. These <br />o, deposits~form a hummocky topography generally only <br />°mn found above 7500 ft may be modified by mass-wasting <br />o processes, and are potentially unstable espedally when <br />m underlairj by daystones of the Ohio Creek Member of <br />m the Mesa Verde Group. Indudes upper and lower till. <br />~ Lands Edd Formation (Till) <br />Ott <br />Older glacial deposits (Bull Lake?): unsorted, sub angular, <br />poorly consolidated to overconsolidated, pebble to boulder <br />size detri)us. These deposits are exposed only in the northern <br />part of the Bowie Quadrangle. Generaly contains moderate <br />to high ar!nounts of swelling day in the matrix. <br />I <br />Osfc Slope-failure-complex deposits (Holocene to late <br />Pleistocene): unsorted mixtures of soil and rock material <br />formed by various mass-wasting processes including <br />`-' landslides, earthflows, soil creep, and debris avalanches. <br />o Not all of these processes form a specific deposit and the <br />0 age of mgvement may vary within a particular area. <br />Younger (landslide: Movement during last 50 years. <br />3 ~s Most recent movement appears to cut older landslide (Qols). <br />o <br />~ Qols Older landslide: Movement during last 50 years. <br />Mesa Verde Group, Ohio Creek Member (Upper Cretaceous): <br />~ Kmvo while sandstone, locally conglomeratic, interbedded with <br />~ siltstone ahd daystone. <br />Y <br />v~` Mesa VerdB Group, Barten Member (Upper Cretaceous): <br />m Krnvb brown, gray, Tight gray sandstone interbedded with dark <br />gray shale,( <br /> <br />Geologic Contact, dashed where estimated <br />. Concealed Contad, ?where estimated <br />i <br />C <br />W <br />it <br />0 250 500 1000 1500 <br />SCALE IN FEET <br />BOWIE RESOURCES, LTD. <br />GEI Consultants, Inc. <br />BRUCE PARK CAM PROJECT <br />DELTA COUNTp, COLORADO <br />PROJECT ullo. 99292 <br />SITE GEOLOGIC MAP <br />fEB. 2001 (FIGURE <br />