@misc{indiciaefe380e034f95, title = {Water resources data Maryland and Delaware, water year 1973, Part 2. Water quality records}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1975}, doi = {10.3133/wdrmdde732}, url = {https://pubs.usgs.gov/publication/wdrMDDE732}, note = {Source identifier: wdrMDDE732} }