Aeromagnetic map of the Roxbury quadrangle, Litchfield and New Haven Counties, Connecticut
By: Department of the Interior, United States Geological Survey ; prepared in cooperation with the State of Connecticut Geological and Natural History Survey.
Contributors: State Geological and Natural History Survey of Connecticut.
Series: Geophysical investigations -- map GP-819.; Geophysical investigations (Geological Survey (U.S.)) -- GP-819.
Publisher: U.S. Geological Survey
Place of publication: Washington, D.C
Format: Map
Subjects: Geomagnetism -- Connecticut -- Litchfield County -- Maps.; Geomagnetism -- Connecticut -- New Haven County -- Maps.
Genres: Maps.
Other titles: Roxbury quadrangle, Connecticut.
Notes: Includes index map.