TY - BOOK AU - Denver,J.M. ED - Geological Survey (U.S.) TI - Water quality in the Delmarva Peninsula, Delaware, Maryland, and Virginia, 1999-2001 T2 - Circular SN - 060792635X AV - TD224.D4 W38 2003 U1 - 363.739/42/0975 22 PY - 2004/// CY - Reston, VA, Denver, CO PB - U.S. Dept. of the Interior, U.S. Geological Survey, For sale by U.S. Geological Survey, Information Services KW - Water quality KW - Delmarva Peninsula KW - Local KW - Agricultural chemicals KW - Environmental aspects N1 - Includes bibliographical references (p. 24-25); Also available via the World Wide Web UR - http://purl.access.gpo.gov/GPO/LPS50145 ER -