Skip to main content
U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Results

40449 results.

Alternate formats: RIS file of the first 3000 search results  |  Download all results as CSV | TSV | Excel  |  RSS feed based on this search  |  JSON version of this page of results

Page 1543, results 38551 - 38575

Show results on a map

Publication Extents

Not all publications have extents, not all extents are completely accurate
Catalog of earthquakes in southern Alaska: January-March 1978
C.D. Stephens, J.C. Lahr, K.A. Fogleman, M.A. Allan, S.M. Helton
1979, Open-File Report 79-718
The National Center for Earthquake Research of the U.S. Geological Survey (USGS) began a program of telemetered seismic recording in south-central Alaska in 1971. The principal objectives of this program have been to use data recorded by this network to precisely locate earthquakes in the active seismic zones of southern...
Discharge of saltwater from Permian rocks to major stream-aquifer systems in central and south-central Kansas
Anthony J. Gogel
1979, Open-File Report 79-1055
Saline-water inflow from Permian rocks has resulted in the degradation of freshwater systems in several areas of central and south-central Kansas. Solution of evaporite beds has occurred along the eastern edge of the Wellington Formation, chiefly within the Hutchinson Salt Member and associated gypsum units. The solution, caused by leakage...
Urban stormwater data management system with applications to south Florida studies
Robert A. Miller, W. Harry Doyle Jr., Larry D. Wilson
1979, Water-Resources Investigations Report 79-93
A data management system was developed to store and retrieve urban stormwater data collected from four small urban basins in south Florida. The system is event oriented in that all data from one storm are stored together on the computer file. The data include descriptive information about the storm and...
A one-dimensional, steady-state, dissolved-oxygen model and waste-load assimilation study for East Fork White River, Bartholomew County, Indiana
William G. Wilber, James G. Peters, Charles G. Crawford
1979, Open-File Report 79-1072
The Indiana State Board of Health is developing a State water-quality management plan that includes the establishing of limits for wastewater effluents discharged into Indiana streams. A digital model calibrated to conditions in East Fork White River was used to develop alternatives for future waste loadings that would be compatible...
Seismicity map of the State of Louisiana
C. W. Stover, B.G. Reagor, S. T. Algermissen
1979, Miscellaneous Field Studies Map 1081
This map is one of a series of seismicity maps produced by the U. S. Geological Survey that show earthquake data of individual states or groups of states at the scale of 1:1,000,000. This map shows only those earthquakes with epicenters located within the boundaries of Louisiana, even though earthquakes...
The brightness of lights on Earth at night, digitally recorded by DMSP satellite
Thomas A. Croft
1979, Open-File Report 80-167
The U.S. Air Force has operated its Defense Meteorological Satellite Program (DMSP) for nearly a decade, and film images from the system have been openly available since 1973. Films are well suited for the study of weather, and users of such films have derived much useful data. For many potential...
Backwater at bridges and densely wooded flood plains, west fork Amite River near Liberty, Mississippi
B.E. Colson, C. O. Ming, George J. Arcement
1979, Hydrologic Atlas 598
Floodflow data that will provide a base for evaluating digital models relating to open-channel flow were obtained at 22 sites on streams in Alabama, Louisiana, and Mississippi. Thirty-five floods were measured. Analysis of the data indicated methods currently in use would be inaccurate where densely vegetated flood plains are crossed...
Backwater at bridges and densely wooded flood plains, Thompson Creek near Clara, Mississippi
B.E. Colson, C. O. Ming, George J. Arcement
1979, Hydrologic Atlas 597
Floodflow data that will provide a base for evaluating digital models relating to open-channel flow were obtained at 22 sites on streams in Alabama, Louisiana, and Mississippi. Thirty-five floods were measured. Analysis of the data indicated methods currently in use would be inaccurate where densely vegetated flood plains are crossed...
North American Paleozoic land snails, with a summary of other Paleozoic nonmarine snails
Alan Solem, Ellis Leon Yochelson
1979, Professional Paper 1072
Land snails from the Paleozoic of North America are known from the coal fields of eastern Canada, from the Dunkard basin west of the Allegheny Mountains, and from the western margin of the Illinois basin. The earliest finds were made about 125 years ago; essentially no new information has been...
The concentration and mobility of elements in subalpine forest soils in Colorado and Idaho
Gary C. Curtin, Harley D. King, J. M. Nishi
1979, Open-File Report 79-710
Leaching studies of subalpine forest soils collected at seven sites in Colorado and Idaho show that copper, cobalt, chromium, magnesium, barium, tin, strontium, and yttrium are highly mobile elements in these soils; that zirconium, lanthanum, nickel, and scandium are moderately mobile; and that titanium is rather immobile. Furthermore, the results...
Seismicity map of the State of Alabama
C. W. Stover, B.G. Reagor, S. T. Algermissen
1979, Miscellaneous Field Studies Map 1059
The earthquake data shown on this map and listed in table 1 are a list of earthquakes that were originally used in preparing the Seismic Risk Studies in the United States (Algermissen, 1969) which have been recompiled and updated through 1977. The data have been reexamined and intensities assigned where...
An appraisal of pumping effects on the Edgeley Aquifer, La Moure County, North Dakota, as determined by a digital model
M. R. Burkart
1979, Open-File Report 79-748
A finite-difference digital model simulated hydrologic conditions in the Edgeley aquifer, which is an unconfined glacial-drift aquifer. The calibrated model supported the hypothesis that under natural steady-state conditions, recharge is from precipitation and discharge is through evapotranspiration. This hypothesis was further supported by comparing simulated water levels to observed water...
Flow routing in the Susquehanna River Basin, Part II: Lowflow frequency characteristics of the Susquehanna River between Waverly, New York and Sunbury, Pennsylvania
Donald L. Bingham
1979, Water-Resources Investigations Report 79-52
Six flow-routing models were developed, calibrated, and verified for the Susquehanna River between Waverly, New York, and Sunbury , Pennsylvania. The models give the Susquehanna River Basin Commission tools to estimate effects of water-resource developments upstream from Waverly upon four gaged sites and two ungaged sites within the study reach....
A single-degree-of-freedom model for non-linear soil amplification
Mustafa Ozder Erdik
1979, Open-File Report 79-592
For proper understanding of soil behavior during earthquakes and assessment of a realistic surface motion, studies of the large-strain dynamic response of non-linear hysteretic soil systems are indispensable. Most of the presently available studies are based on the assumption that the response of a soil deposit is mainly due to...
Faults in parts of north-central and western Houston metropolitan area, Texas
Earl R. Verbeek, Karl W. Ratzlaff, Uel S. Clanton
1979, Miscellaneous Field Studies Map 1136
Hundreds of residential, commercial, and industrial structures in the Houston metropolitan area have sustained moderate to severe damage owing to their locations on or near active faults. Paved roads have been offset by faults at hundreds of locations, butted pipelines have been distorted by fault movements, and fault-induced gradient changes...
Plan of study for the northern Midwest regional aquifer-system analysis
W. L. Steinhilber, H. L. Young
1979, Water-Resources Investigations Report 79-44
Sedimentary rocks of Cambrian and Ordovician age form a major aquifer system in most of Wisconsin and Iowa, northern Illinois, northwestern Indiana, southeastern Minnesota, and northern Missouri. Many metropolitan areas depend on the aquifer for all or part of their water supplies. Declines in potentiometric head have been large in...
Results of transient simulations of a digital model of the Arikaree Aquifer near Wheatland, southeastern Wyoming
Dwight T. Hoxie
1979, Open-File Report 79-1280
Revised ground-water pumpage data have been imposed on a ground-water flow model previously developed for the Arikaree aquifer in a 400 square-mile area in central Platte County, Wyo. Maximum permitted annual ground-water withdrawals of 750 acre-feet for industrial use were combined with three irrigation-pumping scenarios to predict the long-term effects...
Plan of study for the northern Great Plains regional aquifer-system analysis in parts of Montana, North Dakota, South Dakota, and Wyoming
George A. Dinwiddie
1979, Water-Resources Investigations Report 79-34
The Northern Great Plains, an area of about 250,000 square miles in parts of Montana, North Dakota, South Dakota, and Wyoming, is underlain by an accumulation of sediments eroded from the Black Hills and from mountains to the west. Principal aquifers are areally extensive beds of sandstone within these sedimentary...
A one-dimensional, steady-state, dissolved-oxygen model and waste-load assimilation study for Silver Creek, Clark and Floyd counties, Indiana
William G. Wilber, Charles G. Crawford, James G. Peters
1979, Open-File Report 79-1253
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 Silver Creek was used to develop alternatives for future waste loadings that would be compatible with Indiana stream water-quality...
Revision of the documentation for a model for calculating effects of liquid waste disposal in deep saline aquifers
Inc. INTERA Environmental Consultants
1979, Water-Resources Investigations Report 79-96
The model developed under this contract is a modified version of the deep well disposal model developed by INTERCOMP Resource Development and Engineering, Inc., for the U.S. Geological Survey (A model for calculating effects of liquid waste disposal in deep saline aquifers). The model is a finite-difference numerical solution of...
Steady-state dissolved oxygen model of the Willamette River, Oregon
Stuart W. McKenzie, W. G. Hines, D. A. Rickert, F. A. Rinella
1979, Circular 715-J
For nearly half a century the Willamette River in Oregon experienced severe dissolved-oxygen problems related to large loads of organically rich waste waters from industries and municipalities. Since the mid-1950 's dissolved oxygen quality has gradually improved owing to low-flow augmentation, the achievement of basinwide secondary treatment, and the use...
Ground water in Dale Valley, New York
Allan D. Randall
1979, Water-Resources Investigations Report 78-120
Dale Valley is a broad valley segment, enlarged by glacial erosion, at the headwaters of Little Tonawanda Creek near Warsaw , New York. A thin, shallow alluvial aquifer immediately underlies the valley floor but is little used. A deeper gravel aquifer, buried beneath many feet of lake deposits, is tapped...