Field Notebook: SD, ND 1962
Page 129
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
B-4 #126 Small butte in center S 1/2, sec 31, T.17 N., R.24 E. On S side the bare patches show T.L. type sand with rusty worth conchs. Upward the sand becomes lighter & gradually more indurated, grading to the typical cap. This locality and proceeding viewsof together give convincing evidence that local butte caps are indurated T.L. Fossil conchs here incl. oyster clusters, mactra, heligmontes through out B-5} Not given loc.# B-6 Outcrop T.L. with Heligmontos + Tzucredia on Rt G3, road cut N of Five Butte in sec 7, T16N, R.24 E. Outcrop T.L. with Tzucrediz, Ostrea clusters, P.linguiformis but Heligmontos not evident on Rt G3 south of Five Butte in sec 18, T.16N., R.24 E. B-7 #127 Outcrop T.L. with only single float fuzzy Tzucrediz. Sand same but with big conchs, locally along lower part P.linguiformis-oyster conchs with fair fuzz. Heligmontos locally high in crop.