Title: Aeromagnetic map of the Worthington quadrangle and parts of the Plainfield and Peru quadrangles, Berkshire and Hampshire Counties, Massachusetts /
Authors: Gilbert, Francis P.
Publisher: U.S. Geological Survey,
Year: 1968
Subjects: Geomagnetism Massachusetts Berkshire County Maps.; Geomagnetism Massachusetts Hampshire County Maps.; Berkshire County (Mass.) Maps.; Hampshire County (Mass.) Maps.