TY - RPRT TI - Estimation of shallow ground-water recharge in the Great Lakes basin AU - B.P. Neff AU - A.R. Piggott AU - R. A. Sheets PY - 2006 DO - 10.3133/sir20055284 UR - https://pubs.usgs.gov/publication/sir20055284 ID - sir20055284 ER -