Aeromagnetic map of the Roseau 1° x 2° quadrangle, Minnesota and Ontario
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Minnesota, Ontario↗
Geology topics
R. W. Krizman
Publications and source records attributed to R. W. Krizman.
Aeromagnetic map of the northeast portion of the Bemidji 1 x 2 Quadrangle, Minnesota
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Open-File Report↗
Aeromagnetic map of Mt. Massive and vicinity, Colorado
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Open-File Report↗
Schematic drawing of a USGS high voltage D.C. resistivity transmitter
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Open-File Report↗