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Surface water supply of the United States, 1951. Part 8. Western Gulf of Mexico basins
Water Resources Division, U.S. Geological Survey
1953, Water Supply Paper 1212
This volume is one of a series of 18 reports presenting measurements of stage, discharge, and content of streams, lakes, and reservoirs in the United States during the water year ending September 30, 1951. Since 1888, when the United States Geological Survey first studied streamflow in relation to problems of...
Stratigraphic relations of the Shakopee dolomite and the St. Peter sandstone in southwestern Wisconsin
Arthur Emerson Flint
1953, Open-File Report 53-71
This paper is concerned with the origin and geologic history of the boundary that separates the widespread St. Peter sandstone from the underlying Shakopee dolomite. That international surface is highly undulatory, and most contemporary geologists who have examined it believe that the contact irregularities result from pre-St. Peter subaerial erosion...
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...
Reconnaissance for radioactive deposits in the lower Yukon-Kuskokwim Highlands region, Alaska
M.G. White, P.L. Killeen
1953, Circular 255
Investigations in 1947 in the Lower Yukon-Kuskokwim region, Alaska found that previously reported radioactivity in the vicinity of Flat is due to uraniferous zircon, an accessory mineral in monzonite. The monzonite intrudes mafic igneous and Upper Cretaceous sedimentary rocks. The maximum equivalent-uranium content of the zircon is 0.14 percent, and...