TY - RPRT TI - Water resources data, Maryland and Delaware, water year 2001, volume 1. surface-water data AU - Robert W. James AU - Richard W. Saffer AU - Robert H. Pentz AU - Anthony J. Tallman PY - 2002 DO - 10.3133/wdrmddedc011 UR - https://pubs.usgs.gov/publication/wdrMDDEDC011 ID - wdrMDDEDC011 ER -