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A geophysical study in Grand Teton National Park and vicinity, Teton County, Wyoming
John Charles Behrendt, Benton L. Tibbetts, William E. Bonini, Peter M. Lavin, J. D. Love, John C. Reed
1968, Professional Paper 516-E
An integrated geophysical study - comprising gravity, seismic refraction, and aeromagnetic surveys - was made of a 4,600-km2 area in Grand Teton National Park and vicinity, Wyoming, for the purpose of obtaining a better understanding of the structural relationships in the region. The Teton range is largely comprised of Precambrian...
Geology and ground-water resources of the Deer Lodge Valley, Montana
Richard L. Konizeski, R. G. McMurtrey, Alex Brietkrietz
1968, Water Supply Paper 1862
The Deer Lodge Valley is a basin trending north-south within Powell, Deer Lodge, and Silver Bow Counties in west-central Montana, near the center of the Northern Rocky Mountains physiographic province. It trends northward between a group of relatively low, rounded mountains to the east and the higher, more rugged Flint...
Distribution of beryllium, tin, and tungsten in the Lake George area, Colorado
C. C. Hawley, Wallace R. Griffitts
1968, Circular 597
Complex ore deposits are spatially associated with granitic bodies of Precambrian age in the Lake George area, Colorado. They include greisens that contain high concentrations of beryllium and subordinate amounts of tin, tungsten, and other metals associated with the Redskin Granite. Scheelite deposits in calc-silicate rocks and greisen deposits near Tappan Mountain...
Ground-water geology of Kordofan Province, Sudan
Harry G. Rodis, Abdulla Hassan, Lutfi Wahadan
1968, Water Supply Paper 1757-J
For much of Kordofan Province, surface-water supplies collected and stored in hafirs, fulas, and tebeldi trees are almost completely appropriated for present needs, and water from wells must serve as the base for future economic and cultural development. This report describes the results of a reconnaissance hydrogeologic investigation of the...