TY - RPRT TI - Water resources data Maryland and Delaware, water year 1993, Volume 1. Surface-water data AU - R.W. James AU - R.H. Simmons AU - B.F. Strain PY - 1993 DO - 10.3133/wdrmdde931 UR - https://pubs.usgs.gov/publication/wdrMDDE931 ID - wdrMDDE931 ER -