TY  - RPRT
TI  - Water resources data Maryland and Delaware, water year 1971, Part 1. Surface water records
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1972
DO  - 10.3133/wdrmdde711
UR  - https://pubs.usgs.gov/publication/wdrMDDE711
ID  - wdrMDDE711
ER  -