@misc{indiciae0cdda7c815f3, title = {Preliminary total-intensity aeromagnetic maps of parts of Franklin and Somerset Counties, Maine}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1954}, doi = {10.3133/ofr5496}, url = {https://pubs.usgs.gov/publication/ofr5496}, note = {Source identifier: ofr5496} }