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<br /> <br /> <br />TcT~ o: Dakota Absent at dine Site <br />A'~i:d~'F1T~Q1: <br />® Guat.snary <br />De <br />osits <br /> p <br /> ~1 <br />GL <br />o°~ Conglarerate <br /> Sandstone <br /> Sandy shale <br /> shale <br /> Gay <br /> Calcarmvs <br /> Ironstone <br /> Concretions <br />VE4ITCAL SCALE: <br />1 inch = 20 feet <br />50 feet <br />40 <br />30 <br />20 <br />10 <br />0 <br />#2 (T...=- Dakota) <br />~~ <br />N ~ <br />y. ~GGG <br />N G <br />[~ <br />n <br />N O <br />~~ <br />^ncorticr:nity - - n ~' <br />n~`n4 <br />m~o <br />~~~ <br />Figise 6-2. Generalized Columnar Sec--ior. o_` the <br />Dakota Sandstone at the Nucla Mine, lrontrose Co~~ty, Colorado. <br />6-14 <br />