TY - RPRT TI - Geohydrology and simulation of ground-water flow in the Red Clay Creek Basin, Chester County, Pennsylvania, and New Castle County, Delaware AU - Karen L. Vogel AU - Andrew G. Reif PY - 1993 DO - 10.3133/wri934055 UR - https://pubs.usgs.gov/publication/wri934055 ID - wri934055 ER -