@misc{indiciaedbc16700e367, title = {Land use series, Washington, D.C.}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1976}, doi = {10.3133/ofr76645}, url = {https://pubs.usgs.gov/publication/ofr76645}, note = {Source identifier: ofr76645} }