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Depth ~ _D F ~Lith Description <br />_- - Hard, dark brownish gray, silty shale, some plant <br />____-= remains, generally macreated <br />50' ____ <br />100' <br />150' - Sandstone <br /> Lennox coal <br /> Sandstone, very fine to medium grained <br /> <br /> :% Sandstone, light gray, fine grained argillaceous, <br />200' •~ with some siltstone <br /> =_==_= Shale, dark brownish gray with some siltstone <br /> Wadge coal seam <br /> - - - Silty shale <br /> `~ dstone <br />So <br />250 ~=" a <br /> -==== ard, gray, well cemented sandstone <br /> -_ _: Silty shale <br />300' Sandstone - light gray, fine grained <br /> =_=_= Shale, dark gray, slightly silty shale <br />350' - Wolf Creek seam <br /> _ - Silty shale <br /> = Shaly coal <br /> _-'- Silty shale <br /> <br /> '_ <br />== Argillaceous siltstone <br />400' _ <br />'~~~ Medium to fine grained sandstone <br /> :irti~~ siltstone with sha ly coal and fine grained sa ndston <br />450' ~ Light gray, fine grained sandstone <br /> .-= Brownish black siltstone <br /> <br /> •~`~'~"` <br />:~•:.:. Trout Creek sandstone, poorly cemented, light gray, <br /> _ fine to medium grained, "salt and pepper" <br />500' :is:~: . <br /> -== - Shale, brownish black <br /> <br /> ~ir:c:: Light gray, fine to medium grained <br />550' <br />• <br />600' <br />Figure 2 <br />Interbedded sandstone, shale, and siltstone <br />Lithologic and Geophysical Description of <br />Area.Routt County, Colorado. <br />