TY - RPRT TI - Use of environmental tracers to evaluate ground-water age and water-quality trends in a buried-valley aquifer, Dayton area, southwestern Ohio AU - Gary L. Rowe AU - Stephanie Dunkle Shapiro AU - Peter Schlosser PY - 1999 DO - 10.3133/wri994113 UR - https://pubs.usgs.gov/publication/wri994113 ID - wri994113 ER -