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Coal resources of the Alton, Utah, EMRIA site
William E. Bowers, A.A. Aigen, Edwin R. Landis
1976, Open-File Report 76-386
The estimated original identified coal resources of the Alton, Utah, EMRIA (Energy Minerals Rehabilitation Inventory and Analysis) site--an area of about 3.6 square miles (9.3 square kilometres)--total almost 49 million tons (45 megatonnes). A larger area that surrounds and includes the Alton EMRIA site proper contains estimated original identified coal...
Numerical simulation analysis of the interaction of lakes and ground water
Thomas C. Winter
1976, Professional Paper 1001
Because the interrelationship of lakes and ground water is perhaps the least understood aspect of lake hydrology, vertical-section, steadystate, numerical-model simulations were run to evaluate the factors that control the interaction of lakes and ground water. The study is concerned only with lakes encircled by water-table mounds that are at...
ERTS-1, a new window on our planet
Richard S. Williams Jr., William Douglas Carter
1976, Professional Paper 929
The launch, on July 23, 1972, of the first Earth Resources Technology Satellite (ERTS-1) by the National Aeronautics and Space Administration was a major step forward in extending man 's ability to inventory the Earth 's resources and to evaluate objectively his impact upon the environment. ERTS spacecraft represent the...
The structure of a turbulent flow in a channel of complex shape
Hubert Jerome Tracy
1976, Professional Paper 983
Measurements of the Reynolds stresses and the mean motion pattern were made in a uniform turbulent motion in a conduit consisting of a large, nearly square section joined by a smaller rectangular section. The results indicate that the boundary shearing stress is nearly constant over large segments of the boundaries....
Copper Deposits in Sedimentary and Volcanogenic Rocks
Elizabeth B. Tourtelot, James David Vine
1976, Professional Paper 907-C
Copper deposits occur in sedimentary and volcanogenic rocks within a wide variety of geologic environments where there may be little or no evidence of hydrothermal alteration. Some deposits may be hypogene and have a deep-seated source for the ore fluids, but because of rapid cooling and dilution during syngenetic deposition...