Petroleum-resource appraisal and discovery rate forecasting in partially explored regions
Lawrence J. Drew, J.H. Schuenemeyer, David H. Root, E. D. Attanasi
1980, Professional Paper 1138-A-C
PART A: A model of the discovery process can be used to predict the size distribution of future petroleum discoveries in partially explored basins. The parameters of the model are estimated directly from the historical drilling record, rather than being determined by assumptions or analogies. The model is based on...
Seismic properties investigation of the Springer Ranch landslide, Powder River basin, Wyoming
C.H. Miller, A.L. Ramirez, T.G. Bullard
1980, Professional Paper 1170-C
A recent and rapid increase since the mid-1970's in commercial and residential development in the Powder River Basin, Wyoming and Montana, is caused by exploitation of vast coal and other resources in the basin. One geologic hazard to such development is landsliding. A landslide sufficiently representative of others in the...
An earthquake catalog and velocity model for the USGS Peter the First Range seismic array, Tadjikistan USSR
Jack Pelton, Fred Fischer
1980, Open-File Report 80-840
Potentiometric map of the Coffee Sand Aquifer in northeastern Mississippi, October and November 1978
B. E. Wasson
1980, Open-File Report 79-1587
This potentiometric map of the Coffee Sand aquifer in northeastern Mississippi is the fourth in a series of maps, prepared by the U.S. Geological Survey in cooperation with the Mississippi Department of Natural Resources, Bureau of Land and Water Resources, delineating the potentiometric surfaces of the major aquifers in Mississippi....
Effects of coal mine subsidence in the Sheridan, Wyoming, area
C. Richard Dunrud, Frank W. Osterwald
1980, Professional Paper 1164
Analyses of the surface effects of past underground coal mining in the Sheridan, Wyoming, area suggest that underground mining of strippable coal deposits may damage the environment more over long periods of time than would modern surface mining, provided proper restoration procedures are followed after surface mining. Subsidence depressions and...
A one-dimensional, steady-state, dissolved-oxygen model and waste-load assimilation study for Little Laughery Creek, Ripley and Franklin counties, Indiana
Charles G. Crawford, William G. Wilber, James G. Peters
1980, Open-File Report 80-74
The Indiana State Board of Health is developing a State water-quality management plan that includes establishing Limits for wastewater effluents discharged into Indiana streams. A digital model calibrated to conditions in Little Laughery Creek tributary and Little Laughery Creek was used to predict alternatives for future waste loadings that would...
Hydrogeochemistry and simulated solute transport, Piceance Basin, northwestern Colorado
Stanley G. Robson, George J. Saulnier
1980, Open-File Report 80-72
Oil-shale mining activities in Piceance basin in northwestern Colorado could adversely affect the ground- and surface-water quality in the basin. This study of the hydrology and geochemistry of the area used groundwater solute-transport-modeling techniques to investigate the possible impact of the mines on water quality. Maps of the extent and...
Cross sections of the Hudson River estuary from Troy to New York City, New York
D.A. Stedfast
1980, Water-Resources Investigations Report 80-24
Data on channel geometry of the Hudson River estuary at 125 cross sections between the Federal Dam at Troy and the norhtern limits of New York City (133 miles) are presented for use in hydraulic modeling, tidal studies, traveltime and water-quality studies, and other uses requiring knowledge of Hudson River...
Scanning electron micrographs of modern chrysomonad cysts from Haypress Meadows, El Dorado County, California
David P. Adam
1980, Open-File Report 80-1235
Methods and applications of digital-model simulation of the Red River alluvial aquifer: Shreveport to the mouth of the Black River, Louisiana
A. H. Ludwig, J. E. Terry
1980, Water-Resources Investigations Report 79-114
The Red River Waterways Project provides for the construction of five locks and dams on the Red River from the Mississippi River to Shreveport, La. The methodology used by the U.S. Geological Survey in studying the effects of the navigation pools on the ground-water-flow regime involved digital modeling of steady-...
Sediment transport in the Snake and Clearwater rivers in the vicinity of Lewiston, Idaho
Michael L. Jones, Harold R. Seitz
1980, Open-File Report 80-690
During the period 1972-79, the bedload in the Clearwater River ranged from about 50,000 tons (45,000 metric tons) per year in 1972 and 1974 to about 1,000 tons (910 metric tons) per year in the drought years of 1973 and 1977. Suspended-sediment load at the same location ranged from about...
Study plan for the regional aquifer-system analysis of alluvial basins in south-central Arizona and adjacent states
T. W. Anderson
1980, Open-File Report 80-1197
The alluvial basins in the Southwestern United States constitute a major source of ground water and are relied upon extensively for agricultural, industrial, and public water supplies. Large-scale depletion of ground water is directly related to pumping that has occurred in the past few decades and is continuing today. The...
Evaluation of peak-flow data network of small streams in Missouri
Leland D. Hauth
1980, Water-Resources Investigations Report 80-87
Standard regression models were used as a tool to evaluate the transferability of streamflow characteristics for the small-streams network in Missouri. Station records were divided into segments and tested for adequacy of record length and sample size for two physiographic regions. The standard error of estimate for each calibrated regression...
Waste-assimilation capacity of the Arkansas River in Pueblo County, Colorado, as it relates to water-quality guidelines and stream classification
Doug Cain, Duaina Baldridge, Patrick Edelmann
1980, Water-Resources Investigations Report 80-82
The waste-assimilation capacity of a 42-mile reach of the Arkansas River in Pueblo County, Colo., was evaluated using a one-dimensional steady-state water-quality model. The model was calibrated and verified using hydraulic and water-quality data collected in 1976 and 1979. The water-quality con-stituents modeled were 5-day carbonaceous biochemical oxygen demand, total...
Finite-difference model to simulate the areal flow of saltwater and fresh water separated by an interface
James W. Mercer, S. P. Larson, Charles R. Faust
1980, Open-File Report 80-407
Model documentation is presented for a two-dimensional (areal) model capable of simulating ground-water flow of salt water and fresh water separated by an interface. The partial differential equations are integrated over the thicknesses of fresh water and salt water resulting in two equations describing the flow characteristics in the areal...
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...
Appraisal of ground-water resources in the San Antonio Creek Valley, Santa Barbara County, California
C. B. Hutchinson
1980, Open-File Report 80-750
A nearly threefold increase in demand for water in the 154-square-mile San Antonio Creek valley in California during the period 1958-77 has increased the potential for overdraft on the ground-water basin. The hydrologic budget for this period showed a perennial yield of about 9,800 acre-feet per year and an annual...
Trends in the distribution of recent foraminifera in San Francisco Bay
R.E. Arnal, P. J. Quinterno, T. J. Conomos, Ralph Gram
1980, Cushman Foundation Special Publication (19) 17-39
Much of the bathymetry of the southern part of San Francisco Bay reflects the drainage pattern of late Pleistocene streams. Holocene estuarine silt and clay cover most of the bay floor; relict eolian and deltaic sand occurs along the eastern shore; sandy patches are present in the main channel owing...
Coastal ocean dynamics
J. Allen, R. Beardsley, W. Brown, D.A. Cacchione, R. Davis, C. Friehe, W. Grant, Adriana Huyer, J. Irish, M. Janopaul, A. Williams, Clinton D. Winant
1980, Eos, Transactions, American Geophysical Union (64) 538-540
The main objective of the Coastal Ocean Dynamics Experiment (CODE) is to observe and describe the response of continental shelf waters to strong atmospheric forcing in a relatively simple geomorphological setting. In order to achieve this goal, CODE has been designed (1) to define the different space and time scales...
Palladium, platinum, and rhodium concentrations in mafic and ultramafic rocks from the Zhob Valley and Dargai complexes, Pakistan
Norman J. Page, Joseph Haffty, Zaki Ahmad
1980, Professional Paper 1124-F
The Zhob Valley and Dargai complexes, Pakistan, consist of harzburgite and dunite tectonites containing chromite deposits, pyroxenite, wehrlite, and gabbro. Both are ophiolite complexes. Palladium, platinum, and rhodium were found in concentrations of up to 170, 200, and 22 parts per billion, respectively. Average concentrations for both complexes and all...
Lateral trends and vertical sequences in estuarine sediments, Willapa Bay, Washington
H. Edward Clifton, L. Phillips
1980, Conference Paper
Willapa Bay is a sizable estuary on the southern coast of Washington- Relatively unmodified in a geologic sense by human activity the bay provides an excellent example of modern depositional facies in an estuarine setting. Studies of these deposits indicate that consistent lateral trends exist in sediment texture and sedimentary...
Research on interactive genetic-geological models to evaluate favourability for undiscovered uranium resources
W.I. Finch, H.C. Granger, R.D. Lupe, R.B. McCammon
1980, Conference Paper, Uranium Evaluation and Mining Techniques: Proceedings of a Symposium Held in Buenos Aires, Argentina, 1–4 October 1979
Current methods of evaluating favourability for undiscovered uranium resources are unduly subjective, quite possibly inconsistent and, as a consequence, of questionable reliability. This research is aimed at reducing the subjectivity and increasing the reliability by designing an improved method that depends largely on geological data and their statistical frequency of...
The effect of band loss on estimates of annual survival
Louis J. Nelson, David R. Anderson, Kenneth P. Burnham
1980, Journal of Field Ornithology (51) 30-38
Banding has proven to be a useful technique in the study of population dynamics of avian species. However, band loss has long been recognized as a potential problem, (Hickey, 1952; Ludwig, 1967). Recently, Brownie et al. (1978) presented 14 models based on an array of explicit assumptions for...
Biological considerations in the delineation of critical habitat
Richard R. Knight
1980, Book chapter, Bears: Their biology and management
Grizzly bears (Ursus arctos) require large areas to satisfy their needs for food, cover, and space. They thrive best where disturbance by man is minimal. It is not a coincidence that the two major grizzly bear populations in the lower 48 states exist in large wilderness systems closely associated with...
Sediment waves on the Monterey fan levee: a preliminary physical interpretation.
William R. Normark, Gordon R. Hess, D.A.V. Stow, A.J. Bowen
1980, Marine Geology (37) 1-18
Sediment waves on the deep ocean floor occur mostly on the lower continental rise on slopes of 1° or less. Previous studies show that their amplitude and wavelength vary greatly, but little is known about their shape in plan. A detailed survey of a 30-km2 area of abyssal-depth sediment waves associated...
