@misc{indiciaefbfa616df9bc, title = {Bedrock geology of the Evitts Creek and Pattersons Creek quadrangles, Maryland, Pennsylvania, and West Virginia}, author = {Wallace De Witt and G. W. Colton}, year = {1964}, doi = {10.3133/b1173}, url = {https://pubs.usgs.gov/publication/b1173}, note = {Source identifier: b1173} }