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United States Earthquakes, 1936

Description: Report discussing earthquake activity in the United States during 1936. The report is broken down by regions and has sections for specific earthquakes.
Date: 1936
Partner: UNT Libraries Government Documents Department
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The Rosebud Coal Field, Rosebud and Custer Counties, Montana

Description: From abstract: The Rosebud coal field, named from Rosebud Creek and the village of Rosebud, includes an area of about 1,050 square miles and forms a very small part of the subbituminous and lignite coal fields of eastern Montana and Wyoming and the western part of the Dakotas. It is an irregularly bounded tract lying south of the Yellowstone River in eastern Rosebud County and western Custer County and measures 50 miles from east to west and 28 miles from north to south. It adjoins the Forsyth … more
Date: 1936
Creator: Pierce, William Gamewell
Partner: UNT Libraries Government Documents Department
open access

The Richey-Lambert Coal Field, Richland and Dawson Counties, Montana

Description: From abstract: The Richey-Lambert coal field is an area of about 900 square miles in Richland and Dawson Counties, eastern Montana, along the divide between the Missouri and Yellowstone Rivers. In this region only flat-lying continental rocks occur near the surface. About 300 feet of the Lebo shale member and about 930 feet of the coal-bearing Tongue River member of the Fort Union formation, of Eocene age, are exposed in the area. Deposits of terrace gravel at two levels in the field are tentat… more
Date: 1936
Creator: Parker, Frank S.
Partner: UNT Libraries Government Documents Department
open access

Phosphate Rock Near Maxville, Philipsburg, and Avon, Montana

Description: 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.
Partner: UNT Libraries Government Documents Department
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