TY - RPRT TI - Aeromagnetic map of the Springfield South quadrangle, Hampden County, Massachusetts, and Hartford and Tolland Counties, Connecticut AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1968 DO - 10.3133/gp632 UR - https://pubs.usgs.gov/publication/gp632 ID - gp632 ER -