Aeromagnetic map of the Old Speck Mountain quadrangle, Franklin and Oxford Counties, Maine /

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Bibliographic Details
Corporate Author: Geological Survey (U.S.)
Other Authors: Henderson, John R., Smith, C. W. 1920-
Format: Map
Language:English
Published: Washington, D.C. : The Survey, 1964.
Series:Geophysical investigations (Geological Survey (U.S.)) ; map GP-486.
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Description
Item Description:Includes note, index map, and map.
"Aeromagnetic survey flown at 3500 feet barometric elevation, 1959."
Physical Description:1 map ; 44 x 32 cm., on sheet 46 x 58 cm., folded in envelope 30 x 24 cm.