@misc{indiciae3f9fda1deb3e, title = {Aeromagnetic map of the Newton quadrangle, Middlesex, Norfolk, and Suffolk Counties, Massachusetts}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1969}, doi = {10.3133/gp676}, url = {https://pubs.usgs.gov/publication/gp676}, note = {Source identifier: gp676} }