Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
leaves similar to those in Dakota clay
in exposure in Deer Cr. grp.
(16) Section up from top of
Messrux x-bedd ss.
2.0 Light colored gray argill. ss & sandy clsty
with Fe pink sandy layer
Disconformity
0.1 Ferruginous shaly ss, calcic. only locally
present
8.0 Black shale, silty with Fe[silty]
layers in silt
grinding in upper 3' to light colored
shaly siltstone
2.0 Sandstone, fine gr, platy[clay], brown
weather.
9.8 Silty sh.dk gray, lb. gray siltstone, chiefly
in upper 1/2 - where thin ss beds also
and weathers a-brown to ferruginous.
2.5 Sandstone, massive lte gr., brown
weather, Febrown irregular bending
may be bedding.
Above this slope wash obscures beds
in slope. Handcoreled by McDowell
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