TY - RPRT TI - Water resources data for Maryland and Delaware, water year 1976 AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1977 DO - 10.3133/wdrmdde761 UR - https://pubs.usgs.gov/publication/wdrMDDE761 ID - wdrMDDE761 ER -