TY - RPRT TI - Ground-water recharge in humid areas of the United States: A summary of Ground-Water Resources Program studies, 2003-2006 AU - Geoffrey N. Delin AU - Dennis W. Risser PY - 2007 DO - 10.3133/fs20073007 UR - https://pubs.usgs.gov/publication/fs20073007 ID - fs20073007 ER -