TY - BOOK AU - Rutledge,A.T. AU - Mesko,Thomas O. TI - Estimated hydrologic characteristics of shallow aquifer systems in the Valley and Ridge, the Blue Ridge, and the Piedmont physiographic provinces based on analysis of streamflow recession and base flow T2 - Regional aquifer-system analysis--Appalachian Valley and Piedmont AV - GB1216.5 .R87 1996 U1 - 551.49/0974 20 PY - 1996/// CY - Washington, Denver, CO PB - U.S. G.P.O., For sale by U.S. Geological Survey, Information Services KW - Stream measurements KW - Appalachian Region KW - Local KW - Aquifers N1 - Includes bibliographical references (p. 34-37) ER -