Magnetic reconnaissance in North-Central Minnesota in 1945

Author: Dougherty, Ellsworth Y.
Additional Authors: Fitzhugh, Edward F.,
Year: 1946
Document Type: BMRA
Issuing Agency: United States Bureau of Mines,
SUDOC: I 28.23:3919
Series: Report of investigations / Bureau of Mines ;
Report Number: 3919
Subject: Geomagnetism--Minnesota--Surveys
Link: https://hdl.handle.net/2027/mdp.39015078488031

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