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Geology and paleontology of the Santa Maria district, California
W. P. Woodring, M. N. Bramlette
1950, Professional Paper 222
Stratigraphy, paleontology, and geologic history.-A basement' consisting of igneous rocks of the Jurassic(?) Franciscan formation and sediments of the Upper Jurassic Knoxville formation, and formations of Tertiary and Quaternary age are exposed in the Santa Maria district. The outcrop section, exclusive of the Franciscan, has a maximum thickness of about...
Coal resources of the United States, A progress report, November 1, 1950
Paul Averitt, Louise R. Berryhill
1950, Circular 94
Interest in the quantity and quality of the coal reserves of the United States has increased greatly since the end of World War II, principally because of the growing realization that the ultimate reserves of petroleum and natural gas, although largely undefined, still. have finite limits. With the greatly increased...
Coal resources of Wyoming
Henry L. Berryhill, Donald M. Brown, Andrew Brown, Dorothy A. Taylor
1950, Circular 81
The Antlers aquifer, which consists of as much as 900 feet of friable sandstone, silt, clay, and shale crops out in areas of 1 ,860 square miles and underlies about 4,400 square miles in southeastern Oklahoma. Precipitation ranges from 34 to 50 inches per year across the outcrop area which...