Total intensity aeromagnetic map of parts of Clearwater and Mahnomen Counties, Minnesota : relative to arbitrary datum /

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Bibliographic Details
Author / Creator:Balsley, J.R.
Imprint:Washington, D.C. : U.S. Geological Survey, 1951.
Description:1 map ; 67 x 116 cm. + 37 profiles on sheet 95 x 108 cm.
Series:Geophysical investigations ; map GP-47
Geophysical investigations (Geological Survey (U.S.)) ; map GP-47.
Subject:Geomagnetism -- Minnesota -- Clearwater County -- Maps.
Geomagnetism -- Minnesota -- Mahnomen County -- Maps.
Minnesota -- Clearwater County.
Minnesota -- Mahnomen County.
Cartographic data:Scale ca. 1:63,360 (W 95⁰55ʹ--W 95⁰15ʹ/N 47⁰30ʹ--N 47⁰10ʹ)
Format: Map U.S. Federal Government Document Print
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Hidden Bibliographic Details
Other authors / contributors:Hill, M.E.
Meuschke, J. L.
Minnesota Geological Survey.
Notes:Includes text and location map.
Item Description:Includes text and location map.
Physical Description:Scale ca. 1:63,360 (W 95⁰55ʹ--W 95⁰15ʹ/N 47⁰30ʹ--N 47⁰10ʹ)
1 map ; 67 x 116 cm. +