TY - RPRT TI - Aeromagnetic map of Berwick quadrangle, Maine and New Hampshire: Total intensity relative to arbitrary datum AU - Randolph Wilson Bromery AU - G. L. Zandle PY - 1956 DO - 10.3133/gp137 UR - https://pubs.usgs.gov/publication/gp137 ID - gp137 ER -