Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
South of Douglas, Wyo
Mowry - thick typical upper part, then
becomes 1B - Mowry-thermop typesh
in basal 4/4 feet approx.
2.0+ Sandstone, very hard dark gray with
fine gr., somewhat calc
17.0+ Obscured, approx mces,
1.0 Sandstone as above; interference
ripples - desertion curchs ? on
top surface - crust be forced
in, may be bzso. Bed has
greenish czst on top surfacc.
7.0 Obscured, about 2' black sh
under ss above than slope
wash,
0.5 Sandstone as above
4.3 Obscured.
8.5 Partially obscured, platy
hard silty to xln ls in upper
4/4