@misc{indiciae045d4cafd5a4, title = {Aeromagnetic map of part of the Ossining quadrangle and the Mount Kisco quadrangle, Westchester County, New York, and Fairfield County, Connecticut}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1971}, doi = {10.3133/gp820}, url = {https://pubs.usgs.gov/publication/gp820}, note = {Source identifier: gp820} }