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

165446 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 5238, results 130926 - 130950

Show results on a map

Publication Extents

Not all publications have extents, not all extents are completely accurate
Comparison of the Wilfley concentration table and hand panning for concentration of heavy minerals prior to geochemical analysis
William R. Greenwood, M.E. Koesterer, Steve Ludington, Donald A. Risoli
1978, Open-File Report 78-712
Chemical analysis of heavy—mineral concentrates of stream sediments is a common geochemical exploration technique used by the U.S. Geological Survey. Generally these concentrates are prepared by hand panning at streamside or in a washtub and then further concentrated using heavy—liquid (bromoform) techniques in a laboratory. Concentration using heavy liquids is...
Drainage areas of surface water bodies of the Saco River basin in southwestern Maine
Derrill J. Cowing, Douglas Caracappa
1978, Open-File Report 78-556-B
The report contains drainage area value for: lakes and ponds included in the Maine Informational Display Analysis System (MIDAS) File 906-Z, streams that drain an area greater than 25 mil2, dams, and hydrologic data collection sites. Supplemental information in the report includes State and Federal location systems used to identify...
Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Petersburg Quadrangle, Alaska
Edward Huntington Cobb
1978, Open-File Report 78-870
These summaries of references are designed to aid in library research on metallic and nonmetallic (other than mineral fuels and construction materials) mineral occurrences in the Petersburg quadrangle, Alaska. All references to reports of the Geological Survey, to most reports of the U.S. Bureau of Mines, and to most reports...
Leachate migration from a pesticide waste disposal site in Hardeman County, Tennessee
C.L. Sprinkle
1978, Water-Resources Investigations Report 78-128
Between 1964 and 1972, approximately 300,000 drums (55-gallon steel barrels) of waste derived from the manufacturing of pesticides were buried on 45 acres of land in northern Hardemen County, Tennessee. Leachates from these wastes are migrating from the disposal site in surface runoff, through shallow perched water zones, and through...
Selected hydrologic data, 1931-77, Wasatch Plateau-Book Cliffs coal-fields area, Utah
K.M. Waddell, H.L. Vickers, Robbin T. Upton, P. Kay Contratto
1978, Open-File Report 78-121
The Wasatch Plateau-Book Cliffs coal-fields area in east-central Utah includes a significant part of the State's coal resources and is currently (1977) the most active coal-mining area in the State.This report presents data gathered by the U.S. Geological Survey as part of a hydrologic reconnaissance carried out during the period...
Drainage areas of surface water bodies of the Royal and Presumpscot River basins in southwestern Maine
Derrill J. Cowing, J.L. McNelly
1978, Open-File Report 78-556-A
The report contains drainage area values for: lakes and ponds included in the Maine Informational Display Analysis System (MIDAS) File 906-Z, streams that drain an area greater than 25 mi2, dams, and hydrologic data collection sites. Supplemental information in the report includes State and Federal location systems used to identify...
Proposed parameters for an automated mapping satellite (Mapsat) system
Alden P. Colvocoresses
1978, Open-File Report 78-932
Landsats-1, -2, and -3, although not defined as mapping satellites, are in fact effectively recording the Earth in a form suitable for presentation as small-scale image maps. These spacecraft have demonstrated the effectiveness of Earth sensing, which must now move from the research to the operational phase. Landsat-D is designed...
Technique for estimating the magnitude and frequency of floods in St. Louis County, Missouri
Donald Webster Spencer, Terry W. Alexander
1978, Water-Resources Investigations Report 78-139
Equations and nomographs in.this report can be used to estimate peak flood-discharges having recurrence intervals up to 100 years in rural and urban areas of St. Louis County, Mo. The basin characteristics significant at the 5-percent probability level were drainage area and percentage imperviousness. Drainage area can be measured from...
Five-day recorder seismic system
Ed Criley, Jerry P. Eaton, Jim Ellis
1978, Open-File Report 78-266
The 10-day recorder seismic system used by the USGS since 1965 has been modified substantially to improve its dynamic range and frequency response, to decrease its power consumption and physical complexity, and to make its recordings more compatible with other NCER systems to facilitate data processing. The principal changes include:...
Map showing placer deposits of the Seward and Blying Sound quadrangles, Alaska
Russell G. Tysdal
1978, Miscellaneous Field Studies Map 880-B
Placer gold was first recovered from stream gravels of the Seward quadrangle about 1850 by P.P. Doroshin, a mining engineer employed by the Russian-American Company. He obtained a few ounces of gold from gravels from two streams that flow into the Kenai River below Kenai Lake (Moffit, 1906, p. 8)....