TY - RPRT TI - Aeromagnetic map of the Fitchville quadrangle and part of the Norwich quadrangle, New London County, Connecticut AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1973 DO - 10.3133/gp860 UR - https://pubs.usgs.gov/publication/gp860 ID - gp860 ER -