Water resources of the Truk Islands
Otto Van der Brug
1983, Water-Resources Investigations Report 82-4082
The Truk Islands, part of the Caroline Islands in the western Pacific, consist of 19 volcanic islands and about 65 coral islets. The volcanic islands and some of the coral islets are scattered in an 820-square-mile lagoon enclosed by a 125-mile long barrier reef. Moen, although not the largest, is...
Pg-wave data-base tabulation from recordings made by vertical short-period systems on the LRSM and New England networks
A. F. Espinosa, J. A. Michael
1983, Open-File Report 83-590
Preliminary results of geophysical and geological studies of the Bering Sea shelf during 1982
Alan K. Cooper, Michael S. Marlow
1983, Open-File Report 83-322
Plan of study for the regional aquifer systems analysis of the Upper Colorado River Basin in Colorado, Utah, Wyoming, and Arizona
O.J. Taylor, J. W. Hood, E. A. Zimmerman
1983, Water-Resources Investigations Report 83-4184
Evaluation of water levels in major aquifers of the New Jersey coastal plain, 1978
R.L. Walker
1983, Water-Resources Investigations Report 82-4077
Increased withdrawals from the major artesian aquifers that underlie the New Jersey Coastal Plain have caused water-level declines and large regional cones of depression. These cones of depression are delineated on detailed potentiometric surface maps produced from water-level data collected in the field in 1978. Water levels for 1978 are...
Map showing distribution, composition, and age of Late Cenozoic volcanic centers in Idaho, western Montana, west-central South Dakota, and northwestern Wyoming
R. G. Luedke, R. L. Smith
1983, IMAP 1091-E
No abstract available....
Geologic cross sections of the Kaiparowits coal-basin area, Utah
D. J. Lidke, K. A. Sargent
1983, IMAP 1033-J
Stratigraphy and paleontology of Mid-Cretaceous rocks in Minnesota and contiguous areas
William Aubrey Cobban, E.A. Merewether
1983, Professional Paper 1253
PART A: Molluscan fossils are locally abundant at outcrops of Upper Cretaceous rocks in eastern North and South Dakota, northeastern Nebraska, northwestern Iowa, and western and northern Minnesota. Other Cretaceous mollusks have been found in the glacial deposits in Minnesota, Iowa, and Illinois. The oldest well dated marine mollusks are...
Controlled photomosaic of the Phaethontis North-central Quadrangle of Mars
Water Resources Division, U.S. Geological Survey
1983, IMAP 1555
Hydrologic data from the Tamarack Wildlife Area and vicinity, Logan County, Colorado
Alan W. Burns
1983, Open-File Report 83-139
Hydrologic data were collected from the Tamarack Ranch Wildlife area and vicinity near Crook, Colo., during the period September 1979 to August 1981. These data will aid in the analysis of the effects of proposed water-development projects on the hydrologic system of the wildlife area. The data collected included a...
Origin, distribution, and rapid removal of hydrothermally formed clay at Mount Baker, Washington
David Frank
1983, Professional Paper 1022-E
Clay minerals are locally abundant in two hydrothermal areas at Mount Baker-Sherman Crater and the Dorr Fumarole Field. The silt- and clay-size fractions of volcanic debris that is undergoing alteration at and near the ground surface around areas of current fumarolic activity in Sherman Crater are largely dominated by alunite...
Methods for estimating peak discharge and flood boundaries of streams in Utah
B. E. Thomas, K.L. Lindskov
1983, Water-Resources Investigations Report 83-4129
Equations for estimating 2-, 5-, 10-, 25-, 50-, and 100-year peak discharges and flood depths at ungaged sites in Utah were developed using multiple-regression techniques. Ratios of 500- to 100-year values also were determined. The peak discharge equations are applicable to unregulated streams and the flood depth equations are applicable...
Water resources of the Tulalip Indian Reservation, Washington
B. W. Drost
1983, Open-File Report 82-648
Water will play a significant role in the future development of the Tulalip Indian Reservation. Ground-water resources are sufficient to supply several times the 1978 population. Potential problems associated with increased ground-water development are saltwater encroachment in the coastal areas and septic-tank contamination of shallow aquifers. There are sufficient good-quality...
Problems of rising ground-water levels in urban areas with special reference to the Louisville, Kentucky area
D. V. Whitesides, R.J. Faust, D.D. Zettwoch
1983, Water-Resources Investigations Report 83-4233
Rising ground-water levels are a problem for cities such as San Bernadino, California; Greely and Fort Collins, Colorado; New York City boroughs of Brooklyn and Queens; and Louisville, Kentucky. Ground-water levels showed a steeply rising trend in the alluvial aquifer underlying Louisville during the early and middle 1970 's in...
Rainfall that triggered abundant debris avalanches in the San Francisco Bay region, California during the storm of January 3-5, 1982
S.H. Cannon, Stephen Ellen
1983, Open-File Report 83-10
No abstract available....
Sketch maps, sections and laboratory analyses of peat resources in deposits of southern and western Maine
Cornelia Clermont Cameron, Michael K. Mullen
1983, Open-File Report 83-18
Peat deposits in southern and western Maine were investigated for their estimated potential as peat resources suitable for energy, horticultural, and agricultural uses. Fifty-six sketch maps illustrate the areal extent, thickness, and amount of commercial-quality peat. The total yield is estimated at 27,736,400 short tons air-dried peat. Ash content is...
BASIC programs to calculate gravity and magnetic anomalies for 2 1/2 - dimensional prismatic bodies
David L. Campbell
1983, Open-File Report 83-154
Self-potential measurements at Newberry Crater, Oregon
D.V. Fitterman, R.O. Grette
1983, Open-File Report 83-909
Map showing potential sources of sand, gravel, and quarry rock, Port Townsend quadrangle, Washington
D. P. Dethier, S. A. Safioles
1983, IMAP 1198-B
No abstract available....
Geologic map of the Cockalorum Wash Quadrangle, Eureka and Nye counties, Nevada
R. K. Hose
1983, IMAP 1410
Preliminary aeromagnetic map of the Tonopah 1° x 2° quadrangle, Nevada
Donald Plouff
1983, Open-File Report 83-619
No abstract available....
Sourcebook of locations of geophysical surveys in tunnels and horizontal holes including results of seismic-refraction surveys, Rainier Mesa, Aqueduct Mesa, and Area 16, Nevada Test Site
R. D. Carroll, J. E. Kibler
1983, Open-File Report 83-399
Seismic refraction surveys have been obtained sporadically in tunnels in zeolitized tuff at the Nevada Test Site since the late 1950's. Commencing in 1967 and continuing to date (1982), extensive measurements of shear- and compressional-wave velocities have been made in five tunnel complexes in Rainier and Aqueduct Mesas and in...
Peralkaline and peraluminous granites and related mineral deposits of the Arabian Shield, Kingdom of Saudi Arabia
James E. Elliott
1983, Open-File Report 83-389
In the Precambrian Arabian Shield, granitoid plutonic rocks are widespread and range in age from 800 to 550 Ma old; but the mineral-resource potential associated with these plutonic rocks is restricted mainly to the younger, postorogenic granites. Two granite types of current economic interest are zirconium- niobium-enriched per alkaline granites...
Mineral potential of selected felsic plutons in the eastern and southeastern Arabian Shield, Kingdom of Saudi Arabia
Edward A. du Bray
1983, Open-File Report 83-370
Sixteen well-defined geochemical anomalies associated with felsic plutons and (or) muscovite-bearing plutons of Proterozoic age have been identified in the eastern and southeastern Arabian Shield. The majority of these plutons are highly evolved, granitophile-element-enriched muscovite-bearing granites that are weakly peraluminous. A followup study of the mineral potential of these plutons included...
Geochemistry and economic potential of massive sulfide deposits from the eastern Pacific Ocean
James L. Bischoff, R.J. Rosenbauer, P. J. Aruscavage, P. A. Baedecker, J.G. Crock
1983, Open-File Report 83-324
Bulk chemical analyses are performed for major and minor elements using a variety of techniques on a suite of 9 samples of sea floor massive sulfide deposits from 21?N EPR, Juan de Fuca Ridge and Galapagos Rift. Results indicate that deposits at 21?N and Juan de Fuca are very similar...
