@misc{indiciae3d815444c0a8, title = {Land use and land cover and associated maps for Salisbury, Maryland, and Delaware}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1977}, doi = {10.3133/ofr7763}, url = {https://pubs.usgs.gov/publication/ofr7763}, note = {Source identifier: ofr7763} }