TY - BOOK ED - ebrary, Inc. TI - Investigating groundwater systems on regional and national scales AV - GB1015 .I58 2000eb U1 - 553.790973 21 PY - 2000/// CY - Washington, D.C., [Great Britain] PB - National Academy Press KW - Groundwater KW - United States KW - Water resources development KW - Electronic books KW - local N1 - Includes bibliographical references; Electronic reproduction; Palo Alto, Calif.; ebrary; 2009; Available via World Wide Web; Access may be limited to ebrary affiliated libraries UR - http://site.ebrary.com/lib/daystar/Doc?id=10071386 ER -