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Geology and Pegmatites of the Fourmile Quadrangle, Black Hills, South Dakota
Report discussing the geology and pegmatites of the Fourmile Quadrangle, located on the southwest side of the Black Hills uplift in Custer County, South Dakota. "This report is an abstract of a paper with the same title that is planned for publication as a Geological Survey professional paper."
Date:
January 1959
Creator:
Redden, Jack A.
Object Type:
Report
System:
The UNT Digital Library
[Mount Rushmore Pictured From Below]
Photograph of Mount Rushmore, the white granite of the memorial contrasts against the brown of the mountain and forest greenery. The sky sitting above the monument is a dark blue and scattered with clouds.
Date:
1959
Creator:
Streng, Evelyn Fiedler
Object Type:
Photograph
System:
The Portal to Texas History
[Rock Column Near a Road]
Photograph of a tall column like rock surrounded by mountains, trees, and a curving road. Two people are standing at the bend of the road looking out at the landscape.
Date:
1959
Creator:
Streng, Evelyn Fiedler
Object Type:
Photograph
System:
The Portal to Texas History
Investigation of the Availability of Geothermal Energy for the Demineralization of Saline Water
From Introduction: "The purpose of this investigation was to examine the question of the availability of geothermal energy and in particular the availability of geothermal energy from the Black Hills of South Dakota.
Date:
July 1959
Creator:
Research and Development Association. School of Mines.
Object Type:
Report
System:
The UNT Digital Library