TY - RPRT TI - Ground-water age dating and other tools used to assess land-use effects on water quality AU - J.D. Stoner AU - T.K. Cowdery AU - L.J. Puckett PY - 1997 DO - 10.3133/wri974150 UR - https://pubs.usgs.gov/publication/wri974150 ID - wri974150 ER -