TY - RPRT TI - Aeromagnetic map of the Framingham quadrangle, Middlesex and Worcester Counties, Massachusetts AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1969 DO - 10.3133/gp674 UR - https://pubs.usgs.gov/publication/gp674 ID - gp674 ER -