TY - RPRT TI - Aeromagnetic map of part of the Sandwich quadrangle, Barnstable County, Massachusetts AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1971 DO - 10.3133/gp804 UR - https://pubs.usgs.gov/publication/gp804 ID - gp804 ER -