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Not all publications have extents, not all extents are completely accurate
Stratigraphy and structure of the Miners Mountain area, Wayne County, Utah
Robert G. Luedke
1953, Open-File Report 53-161
The Miners Mountain area includes about 85 square miles in Wayne County, south-central Utah. The area is semiarid and characterized by cliffs and deep canyons. Formations range in age from Permian to Upper Jurassic and have an aggregate thickness of about 3,500 feet. Permian formations are the buff Coconino sandstone and...
Observation of a "front" of regional metamorphism
Rene Perrin, Marcel Roubault, S. H. Britt (translator)
1953, Open-File Report 54-32
Drawing his inspiration from the theories on metamorphism by reaction in the solid state, and from some observations, Rene Perrin in his article 'Perrin, Rene, Le metamorphisms generateur de plissement, Annales des Hines, Paris, October 1935.' "Metamorphism, the generator of folding" stated in 1935: 1) that some "sudden arrest" of regional...
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...
Geology and pegmatites of part of the Fourmile area, Custer County, South Dakota
Andrew J. Lang, Jack Allison Redden
1953, Circular 245
The Fourmile area, Custer County, S. Dak., is underlain by pre-Cambrian metamorphic rocks that surround the granitic core of the Black Hills. The main structure in the area is the upright limb of an overturned anticline that plunges about 30 ? S. 10 ? E. Three units of metamorphic rocks...
Geologic map of Lake Valley manganese district, Sierra County, New Mexico
S.C. Creasey, A.E. Granger
1953, Miscellaneous Field Studies Map 9
The Lake Valley district was originally developed as a manganese-silver district, but the known silver-bearing ore bodies have long since been worked out.  The critical shortage of manganese during World War II renewed interest in the manganese deposits; from October 1941 through June 1942 the U. S. Geological Survey and...