Title: Aeromagnetic map of the Westford quadrangle and part of the Spring Hill quadrangle, Tolland and Windham Counties, Connecticut /
Authors: Gilbert, Francis P.
Publisher: U.S. Geological Survey,
Year: 1969
Subjects: Geomagnetism Connecticut Tolland County Maps.; Geomagnetism Connecticut Windham County Maps.; Tolland County (Conn.) Maps.; Windham County (Conn.) Maps.