@misc{indiciae0418154c6bc8, title = {Aeromagnetic map of the Plympton quadrangle, Plymouth County, Massachusetts}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1971}, doi = {10.3133/gp785}, url = {https://pubs.usgs.gov/publication/gp785}, note = {Source identifier: gp785} }