Field Notebook: SD, ND 1962
Page 95
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
weathrs gray, then about 2 feet light gray much festone + greslite lower prev upper 7 also lite grey some festone. (8) 3.0 Liquidic shale (9) 5.0 Shale; dk gray glgy sh. weather to light gray popcorn (10) 4.13 Shale as below with purple crust on weather surface and stringyvs lignite. (11) 10.5 Clayey sand with plant frags - a loessly of clay and plant frags, becoming silty at base and more sandy above 510 (12) 7.3 Clay sand as below at base grading upward into gray clay, (13) 11.6 Shale; purple gray to gray with considerable liquidic shale incl. 1/0 hard liq sh at base, whole interval loc. weather purplish. (14) 2.0-? Light gray clayey silt Gravel cap.