@misc{indiciaeb3c306205bec, title = {U.S. Geological Survey programs in Maryland and the District of Columbia}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1996}, doi = {10.3133/fs02096}, url = {https://pubs.usgs.gov/publication/fs02096}, note = {Source identifier: fs02096} }