Geologic map of the Opheim 1° x 30' quadrangle, Valley and Daniels counties, Montana
No abstract available.
Montana↗
Geology topics
W. C. Ehler
Publications and source records attributed to W. C. Ehler.
Reconnaissance geologic map of the Miller Coulee Quadrangle, Valley County, Montana
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Miscellaneous Field Studies Map↗
Preliminary geologic map of the Ekalaka 1° x 2° quadrangle, southeastern Montana and western North and South Dakota
No abstract available.
Montana, North Dakota, South Dakota↗
Preliminary photogeologic map of the Four Buttes, Scobey, and Flaxville quadrangles, Daniels County, Montana
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Open-File Report↗