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Publication Extents

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Coal resources of the United States (a progress report, October 1, 1953)
Paul Averitt, Louise R. Berryhill, Dorothy A. Taylor
1953, Circular 293
As estimated in this second progress report, the coal reserves of the United States remaining in the ground on January 1, 1953, total 1,899,739 million tons. This figure is about a 20 percent reduction of the total estimate published in the first progress report (Averitt and Berryhill, 1950). The new...
Preliminary report of the Centennial Range, Montana-Idaho
Frederick Sauli Honkala
1953, Open-File Report 53-123
Phosphate rock is present in the Phosphoria formation of Permian age in the Centennial Range of southwestern Montana and adjoining parts of Idaho. A Study was made to map the Phosphoria formation, study its stratigraphy, and to ascertain the reserves and mining problems. In the Centennial Range the Phosphoria formation...
Water-power resources of Crystal River, Colorado
Fred Forrest Lawrence
1953, Circular 292
The Crystal River drains the western slope of the Elk Mountains, a relatively small range in the southern Rocky Mountain province, and flows into the Roaring Fork 13 miles southeast of Glenwood Springs, Colo. The lower 7 miles of the valley is cultivated, but upstream from this stretch the valley...