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Page 4766, results 119126 - 119150

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Geologic, geochemical and mineral resource potential map of the Piney Creek Wilderness, Stone and Barry counties, Missouri
Walden P. Pratt, Ralph L. Erickson, Kenneth C. Thomson, Clarence Ellis
1982, Miscellaneous Field Studies Map 1494
There is no evidence of significant metallic-mineral deposits in the rock units that are exposed at the surface in the wilderness, but there may be some potential for mineral deposits of two different types at depths from 400ft (120 m) to more than 2,100 ft (640 m) below the surface....
Mineral resource potential map of the Hells Hole further planning area (RARE II), Greenlee County, Arizona, and Grant County, New Mexico
J.C. Ratte, J.R. Hassemer, R.A. Martin, J. P. Briggs
1982, Miscellaneous Field Studies Map 1344-E
During 1979, the U.S. Geological Survey and the U.S. Bureau of Mines conducted field investigations to evaluate the mineral resource potential of the Hells Hole Further Planning Area. The investigations included geologic mapping, geophysical studies, geochemical sampling, and a survey of known mines, prospects, and mineralized areas. This report summarizes...
Geologic maps of the Sacramento-San Joaquin Delta, California
Brian F. Atwater
1982, Miscellaneous Field Studies Map 1401
The Sacramento-San Joaquin Delta, the arm of the San Francisco Bay estuary that reaches into the Central Valley of California, differs from typical coastal-plain deltas in three important respects.  First, rather than meeting the ocean individually and directly, all major waterways of this delta discharge via a single constricted outlet...
Mineral resource potential map of the Kalmiopsis Wilderness, southwestern Oregon
Norman J. Page, Michael S. Miller, David J. Grimes, Reinhard W. Leinz, Richard J. Blakely, Bruce R. Lipin, Michael P. Foose, Floyd Gray
1982, Miscellaneous Field Studies Map 1240-E
Under the provisions of the Wilderness Act (Public Law 88-577, September 3, 1964) and the Joint conference Report on Senate Bill 4, 88th Congress, the U.S. Geological Survey and the U.S. Bureau of Mines have been conducting mineral surveys of wilderness and primitive areas. Areas officially designated as "wilderness," wild,"...
Map showing some potential effects of petroleum spills on shorelines of the Port Townsend quadrangle, central Puget Sound region, Washington
R. F. Keuler
1982, Miscellaneous Field Studies Map 1238
Waterborne transport of crude oil into the Puget Sound region has increased rapidly since 1972 and may take another sharp increase during the next few years. In 1972, waterborne delivery of petroleum averaged 45,000 bdp (barrels per day); by 1972, the average had increased to 105,000 bpd (Pizzo and others,...
Water resources data, Nevada, water years 1981
Water Resources Division, U.S. Geological Survey
1982, Water Data Report NV-81-1
Water-resources data published herein for the 1981 water year comprise the following records: Water discharge for 132 gaging stations on streams, canals, and drains. Discharge data for 82 peak-flow stations and 7 low-flow stations on streams. Stage and contents for 21 lakes and reservoirs. Water levels for 235 observation wells....
Drainage divides, Massachusetts-Hudson River basin
S. William Wandle Jr.
1982, Open-File Report 81-1199
Drainage boundaries for selected subbasins in northern Berkshire County, Massachusetts, are delineated on five topographic quadrangle maps at a scale of 1:24,000. Drainage basins are shown for all U.S. Geological Survey data-collection sites and for mouths of major rivers. Drainage basins are shown for the outlets of lakes or ponds...
Land subsidence in the San Joaquin Valley, California, as of 1980
R. L. Ireland, J. F. Poland, F. S. Riley
1982, Open-File Report 82-370
Land subsidence due to ground-water overdraft in the San Joaquin Valley began in the mid-1920 's and continued at alarming rates until surface was imported through major canals and aqueducts in the 1950 's and late 1960's. In areas where surface water replaced withdrawal of ground-water, water levels in the...
A study of surface and subsurface ground motions at Calico Hills, Nevada Test Site
Kenneth W. King
1982, Open-File Report 82-1044
A study of earthquake ground motions recorded at depth in a drill hole and at the ground surface has derived the surface to subsurface transfer functions such as might be expected at a potential nuclear waste repository in a similar setting. The site under investigation has small seismic velocity contrasts...
Temporal trends in the acidity of precipitation and surface waters of New York
Norman E. Peters, Roy A. Schroeder, David E. Troutman
1982, Water Supply Paper 2188
Statistical analyses of precipitation data from a nine-station monitoring network indicate little change in pH from 1965-78 within New York State as a whole but suggest that pH of bulk precipitation has decreased in the western part of the State by approximately 0.2 pH units since 1965 and increased in...
Update 1, May 1982: Outer Continental Shelf and onshore oil and gas activities and impacts in the Arctic: a summary report, October 1981
Joanne Barnes Jackson, Barbara Cushmore Pretz
1982, Open-File Report 82-19
In October 1981, the Office of Outer Continental Shelf Information(OCSI) of the U.S. Geological Survey (USGS) published the initial summary report for the Arctic subregion of Alaska, the Arctic Summary Report, October 1981 (Jackson and others, USGS Open-File Report 81-621). This report is the first update to the initial report....
Estimation of response-spectral values as functions of magnitude, distance, and site conditions
W. B. Joyner, David M. Boore
1982, Open-File Report 82-881
We have developed empirical predictive equations for the horizontal pseudo-velocity response at 5-percent damping for 12 different periods from 0.1 to 4.0 s. Using a multiple linear-regression method similar to the one we used previously for peak horizontal acceleration and velocity, we analyzed response spectra period by period for 64...
Specific conductance and dissolved chloride concentrations of freshwater aquifers and streams in petroleum producing areas in Mississippi
S. J. Kalkhoff
1982, Open-File Report 82-353
Specific conductance and dissolved chloride reconnasissance sampling was conducted in six oil-producing areas of Mississippi during periods of low streamflow in 1980 and 1981. Water samples were collected at 224 ground-water and 190 suface-water sites. Samples from 55 surface-water and 17 ground-water sites contained dissolved chloride concentrations in excess of...
Ground-water data for Michigan, 1981
G.C. Huffman
1982, Open-File Report 82-754
This report summarizes data on water levels in 124 observation wells and provides information on well locations, depths, altitudes, and aquifers that they tap. Tabulated data include extremes of water levels for 1981 and for the period of record; pumpage of most major groundwater users in the State; and quality...