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in place name: "United States - Montana"

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Geology of the Duck Creek Pass Quadrangle Montana

A report about the Duck Creek Pass quadrangle which forms a large part of the bedrock of western Montana and adjoins other areas in which geologic studies are already completed or in progress.

Date: 1963

Creator: Nelson, Willis H.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Distribution and Thickness of Devonian Rocks in Williston Basin and in Central Montana and North-Central Wyoming

A report which includes 200,000 square miles in the southern part of the Williston basin of North Dakota, South Dakota, and Montana. The Devonian rocks consist mostly of marine carbonate, evaporite, and shale beds.

Date: 1961

Creator: Sandberg, Charles A.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Mineralogy and Geochemistry of Some Belt Rocks, Montana and Idaho

A report which compares 20,000 feet of Belt rocks in the Mission Mountains Primitive Area in Montana with 40,000 feet of Belt rocks in the Pend Oreille area in Idaho and Montana.

Date: 1970

Creator: Harrison, J. E. & Grimes, D. J.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Contributions to Economic Geology 1955

A report about phosphates found in the Permian Phosphoria formation of the Rocky Mountains. This area constitutes one of the worlds largest reserves of phosphate.

Date: 1956

Creator: Cressman, Earle R.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Geology of the Clark Fork Quadrangle Idaho-Montana

A report about the Clark Fork quadrangle which is underlain by more than 38,000 feet of low-grade metasedimentary rocks of the Precambrian Belt series. The quadrangle has both metallic and nonmetallic mineral deposits of considerable value.

Date: 1963

Creator: Harrison, J. E. & Jobin, D. A.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Geology of the Stanford-Hobson Area, Central Montana

From introduction: The Stanford-Hobson area project was undertaken by the United States Geological Survey, in cooperation with the United States Bureau of Reclamation, as part of a program for the geologic mapping and investigation of mineral resources in the Missouri River basin. The field work that is the basis of the ensuing report consisted of mapping the geology and determining stratigraphic relationships in sufficient detail to evaluate the mineral resources, especially the oil and gas po… more

Date: 1956

Creator: Vine, James David

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Phosphate Rock Near Maxville, Philipsburg, and Avon, Montana

From abstract: This paper gives the results of a resurvey of certain areas in Montana to which renewed interest has been directed by the development recently of a market for crude phosphate rock in British Columbia, nearby.

Date: 1936

Creator: Pardee, J. T.

Item Type: Report

Partner: UNT Libraries Government Documents Department