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Page 367, results 9151 - 9175

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High-resolution seismic-reflection profiles collected by the R/V Columbus Iselin, cruise CI 7807-1, in the Baltimore Canyon outer continental shelf area, offshore New Jersey
James M. Robb
1980, Open-File Report 80-935
High-resolution seismic-reflection profiles were collected by the U.S. Geological Survey (USGS) aboard R/V COLUMBUS ISELIN, cruise 7807-1, from 18 August to 4 September 1978 over the Continental Slope of the Eastern United States between Wilmington and Hudson Canyons. These data were acquired as part of a study to determine potential...
High-resolution seismic-reflection profiles collected by the R/V James M. Gilliss, cruise GS 7903-4, in the Baltimore Canyon outer continental shelf area, offshore New Jersey
James M. Robb
1980, Open-File Report 80-934
High-resolution seismic-reflection profiles were collected by the U.S. Geological Survey (USGS) aboard R/V JAMES M. GILLIS (cruise GS 7903-4) from 27 June to 11 July 1979 over the Continental Slope of the Eastern United States between Lindenkohl and Hudson Canyons. These data were acquired as part of a study to...
Hydrologic setting of Williams Lake, Hubbard County, Minnesota
Donald I. Siegel, Thomas C. Winter
1980, Open-File Report 80-403
The hydrology and geology of Williams Lake watershed was studied to evaluate the accuracy of various methods used to determine precipitation and evaporation in lake water-balance studies and to define a lake and ground-water system according to approaches suggested by theoretical modeling studies. Regression analysis between estimated and measured precipitation...
Ground-water appraisal in northwestern Big Stone County, west-central Minnesota
W.G. Soukup
1980, Open-File Report 80-568
The development of ground water for irrigation in northwestern Big Stone County has not kept up with development in other irrigable areas of the State. This is due, in part, to the absence of extensive surficial aquifers and the difficulty in locating buried aquifers. Test augering south of Beardsley outlined a...
Ground-water data for the Riley and Andrews Resource Areas, southeastern Oregon
Paul J. Townley, Constance M. Soja, W.C. Sidle
1980, Open-File Report 80-419
Appraisals of the resources of selected management areas in eastern Oregon are being made by the U.S. Bureau of Land Mangement. To provide needed hydrologic information, the Bureau of Land Management requested the U.S. Geological Survey to inventory ground-water data for the Riley and Andrews Resource Areas. The inventory included...
Floods of January and February 1980 in California
Kenneth L. Wahl, John R. Crippen, J. M. Knott
1980, Open-File Report 80-1005
During January and February 1980, storms caused substantial rises in streamflow throughout much of California. In mid-January flooding occurred in the foothills of the Sierra Nevada and in the central coast area. In late January and mid-February, high floodflows in streams in coastal southern California caused much damage and several...
Composition and properties of the Pierre Shale and equivalent rocks, northern Great Plains region
Leonard Gene Schultz, H. A. Tourtelot, J. R. Gill, J.G. Boerngen
1980, Professional Paper 1064-B
The Pierre Shale and equivalent rocks of Late Cretaceous age consist in the east-central Dakotas of several hundred feet of offshore-marine shale and minor marl; in west-central Montana near the sediment source the equivalents of the Pierre Shale consist of several thousand feet of volcanic-rich and mostly nonmarine sediments; and...
Ground water in the Thousand Oaks area, Ventura County, California
James J. French
1980, Water-Resources Investigations Report 80-63
The ground-water basin beneath the city of Thousand Oaks, Calif. , corresponds closely in area with the surface-water drainage basin of Conejo Valley. Before World War II there was little ground-water development. After World War II, urban development put a stress on the ground-water basin; many wells were drilled and...
Hydrology and model study of the proposed Prosperity Reservoir, Center Creek Basin, southwestern Missouri
Edward Joseph Harvey, Leo F. Emmett
1980, Water-Resources Investigations Report 80-7
A dam and reservoir have been proposed for construction on Center Creek, Jasper County, in southwestern Missouri. Ground-water levels in the hills adjacent to the reservoir will rise when the impoundment is completed. One of the problems is that the proposed site of Prosperity Reservoir is a few miles upstream...
Distribution of nitrate in the unsaturated zone, Highland-East Highlands area, San Bernardino County, California
John M. Klein, Wesley L. Bradford
1980, Water-Resources Investigations Report 80-48
Nitrogen in the unsaturated soil zone in the Highland-East Highlands area of San Bernardino County, Calif., has been suspected as the source of nitrate in water from wells. Plans to recharge the local aquifers with imported surface water would raise the water table and intercept that nitrogen. This study was...
The effects of using ground water to maintain water levels of Cedar Lake, Wisconsin
R.S. McLeod
1980, Water-Resources Investigations Report 80-23
Cedar Lake, a kettle lake with no surface inlet or outlet, was studied to evaluate the feasibility of maintaining water levels of lakes in the glaciated kettle moraine area of eastern Wisconsin by pumping ground water into them. The general hydrogeology of the area around the lake was defined and...
Three-dimensional digital-computer model of the Ferron sandstone aquifer near Emery, Utah
Daniel J. Morrissey, Gregory C. Lines, Scott D. Bartholoma
1980, Water-Resources Investigations Report 80-62
A three-dimensional finite-difference computer model of the Ferron sand-stone aquifer was used to simulate ground-water flow in the Emery coal field in east-central Utah. The model also was used to predict the effects of pro-posed surface mining and the resulting mine dewatering on potentiometric sur-faces of the aquifer. The model...
Ground-water availability near Fort Wayne, Allen County, Indiana
Michael Planert
1980, Water-Resources Investigations Report 80-34
A 3-year study to determine the groundwater potential of confined glacial aquifers in a large part of Allen County, Ind., was begun in July 1974 by the U.S. Geological Survey. Mapping of outwash sands and gravels delineated two distinct layers of sand and gravel in the southern and eastern parts...
Hydrologic setting of wetlands in the Cottonwood Lake area, Stutsman County, North Dakota
Thomas C. Winter, Mark R. Carr
1980, Water-Resources Investigations Report 80-99
Because of growing interest in the role of lakes and wetlands in the hydrology of the prairie environment, a group of wetlands in the Cottonwood Lake area, Stutsman County, are being instrumented for long-term hydrologic studies. The study site is on a regional topographic high near the eastern edge of...
Geology and mineral resources of the North Absaroka Wilderness and vicinity, Park County, Wyoming, with sections on mineralization of the Sunlight mining region and geology and mineralization of the Cooke City mining district, and a section on aeromagnetic interpretation
Willis H. Nelson, Harold J. Prostka, Frank E. Williams, James E. Elliott, Donald L. Peterson
1980, Bulletin 1447
SUMMARY The North Absaroka Wilderness is approximately 560 square miles (1,450 km 2 ) of rugged scenic mountainous terrain that adjoins the eastern boundary of Yellowstone National Park in northwestern Wyoming. The area was studied during 1970, 1971, and 1972 by personnel of the U. S. Geological Survey and the U....
The river and the rocks: The geologic story of Great Falls and the Potomac River Gorge
John Calvin Reed Jr., Robert Sumner Sigafoos, George Wescott Fisher
1980, Bulletin 1471
The Great Falls of the Potomac River has figured prominently in the purposes of men since prehistoric time. Long before John Smith reached the falls in 1609, groups of Indians from East and West met at this great river barrier to trade and perform ceremonies in honor of the spirit...
Potassium-argon geochronology of the eastern Transverse Ranges and southern Mojave Desert, southern California
F. K. Miller, D. M. Morton
1980, Professional Paper 1152
More than 200 potassium-argon apparent ages on minerals from crystalline rocks, chiefly from the San Bernardino and eastern San Gabriel Mountains and the southern Mojave Desert, define an area greater than 10,000 km2 in which the potassium-argon isotopic systematics have been highly disturbed. The disturbance or disturbances appear to have...
Description and preliminary map of airborne electromagnetic survey of parts of Iron, Baraga, and Dickinson Counties, Michigan
William D. Heran, Bruce D. Smith
1980, Open-File Report 80-297
The data presented herein is from an airborne electromagnetic INPUT* survey conducted by Geoterrex Limited of Canada for the U.S. Geological Survey. The survey area is located in the central part of the Upper Peninsula of Michigan, within parts of Iron, Baraga, and Dickinson Counties. The general area covered is...