TY - RPRT TI - Effects of land-use buffer size on Spearman's partial correlations of land use and shallow ground-water quality AU - L.E. Hay AU - W.A. Battaglin PY - 1990 DO - 10.3133/wri894163 UR - https://pubs.usgs.gov/publication/wri894163 ID - wri894163 ER -