@misc{indiciae2fd5247844ee, title = {Land use and land cover and associated maps for Clarksville, West Virginia, Ohio, Pennsylvania}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1978}, doi = {10.3133/ofr78416}, url = {https://pubs.usgs.gov/publication/ofr78416}, note = {Source identifier: ofr78416} }