Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
A - 19-1
SW - Sec 6 T 145N, R 97W.
Sections with some light & dark grey shs & vfy SSS. Sect. Are prob. a KAOLINITE phase of E.V., AUTCM and not G.V.
SS WITH ONLY a small AMT. OF MICA No recoy, lower mbr. and L.M. appears to occ. START higher abt 2 miles west.
Buttes capped with A V.I. grey CALC SS. from Wh River of Killdeers
CLAYS grey & yellow banded with thin beds of SAND