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Seismic-refraction study of suspected drift-filled bedrock valleys in Ramsey County, Minnesota
D. G. Woodward
1985, Water-Resources Investigations Report 85-4107
Seismic-refraction surveys were made across suspected buried, drift-filled bedrock valleys believed to underlie two sites of known ground-water contamination the Twin Cities Army Ammunition Plant (TCAAP) near New Brighton and the former Koppers Coke Plant in St. Paul, Ramsey County, Minnesota. Refraction data were collected along two lines at each...
Preliminary map showing the difference between the potentiometric surfaces of the Aquia Aquifer of September 1982 and September 1984 in southern Maryland
Frederick K. Mack, Judith C. Wheeler, Stephen E. Curtin, David C. Andreasen
1985, Water-Resources Investigations Report 85-4339
The potentiometric map is highlighted with indications concerning: (1) outcrop areas of the Aquia aquifer; (2) the potentiometric contour of the aquifer; (3) observation and/or supply wells yielding < 10,000 gallons/day (gpd); and (4) other supply wells with yields > 10,000 gpd. (Lantz-PTT)...
Geohydrology and ground-water flow at Verona Well Field, Battle Creek, Michigan
N.G. Grannemann, F. R. Twenter
1985, Water-Resources Investigations Report 85-4056
The city of Battle Creek has 30 wells in the Verona well field capable of yielding 300 to 1,000 gallons per minute each. During summer, total withdrawals are as little as 6,000 gallons per minute. In early 1984, only 9 to 12 of the wells were being used; the remaining...
Simulation of an aquifer test on the Tesuque Pueblo Grant, New Mexico
Glenn A. Hearne
1985, Water Supply Paper 2206
An aquifer test was designed and conducted in the anisotropic dipping beds of the Tesuque Formation on the Tesuque Pueblo Grant, New Mexico. The three-dimensional digital model used to analyze the test approximated the response to the test. The analysis of the geohydrology of the test site in combination with...
Mineral resource potential map of the Fossil Ridge Wilderness Study Area, Gunnison County, Colorado
Ed DeWitt, R. J. Stoneman, J. R. Clark, S.E. Kluender
1985, Miscellaneous Field Studies Map 1629-A
Parts of the Fossil Ridge Wilderness Study Area have a high resource potential for gold and silver in small deposits, uranium in medium-size deposits, and high-calcium limestone in large deposits. Parts have a moderate to high potential for uranium, thorium, and light rare-earth elements in small- to medium-size deposits, a...
Reconnaissance geologic map of part of the San Isidro Quadrangle, Baja California Sur, Mexico
Hugh McLean, B.P. Hausback, J.H. Knapp
1985, Miscellaneous Field Studies Map 1799
The reconnaissance geology of part of the San Isidro 1:250,000-scale quadrangle of Baja California Sur, Mexico, was mapped in 1982, 1983, and 1984 to determine the age and stratigraphic relations of Tertiary sedimentary and volcanic rocks that comprise the bulk of the Sierra de la Giganta (southern Peninsular Ranges) and...