00941cam a22002891 4500 gs 55000317 DLC 20260227111403.0 780505s1955 dcubd b f000 0 eng gs 55000317 (OCoLC)3863492 DLC OClU ISS OCoLC DLC n-us-sd QE75 .P9 no. 262 QE696 .F56 551.78 551.79 I 19.16:262 Flint, Richard Foster, 1902- Pleistocene geology of eastern South Dakota. Washington, U.S. Govt. Print. Off., 1955. 173 p. maps (5 fold., part col., in pocket) diagrs. (2 fold. in pocket) 29 cm. Geological Survey (U.S.). Professional paper, 262 "Literature cited": p. 165-168. Geology, Stratigraphic Pleistocene Geology South Dakota Glacial epoch South Dakota. 28999 28999