00832cam a22002531 4500 gs 55000230 DLC 20260227111403.0 780708s1955 dcuab b f000 0 eng gs 55000230 (OCoLC)4032349 DLC OClU ISS OCoLC DLC premarc QE75 .P9 no. 271 I 19.16:271 Wolman, M. Gordon (Markley Gordon), 1924- The natural channel of Brandywine Creek, Pennsylvania. Washington, U.S. Govt. Print. Off., 1955. vi, 56 p. illus., maps. 29 cm. Geological Survey (U.S.). Professional paper, 271 "References": p. 49-50. Stream measurements Brandywine Creek (Pa. and Del.) Brandywine Creek (Pa. and Del.) 28969 28969