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

165227 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 6340, results 158476 - 158500

Show results on a map

Publication Extents

Not all publications have extents, not all extents are completely accurate
Discussion of “pedological relations of infiltration phenomena”
W. C. Rasmussen, W. O. Smith
1951, Eos, Transactions, American Geophysical Union (32) 282-283
Smith provides an illuminating consideration of infiltration through soil in relation to the structure and texture of the soil its moisture content, and the variation of infiltration for A, B, and C soil zones. The organic nature of soil might also be stressed. Rotting rootlets provide passageways for water in...
Water resources of southeastern Bucks County, Pennsylvania
Jack B. Graham, John W. Mangan, Walter F. White
1951, Circular 104
This report has been prepared as a contribution to the development of southeastern Bucks County, Pa. It summarizes available information on the water resources of this 90-square mile area and evaluates current supplies. Future development of the area may change both the available quantity and the quality of the water...
Uranium in the Copper King Mine, Black Hawk No. 1 Claim, Larimer County, Colorado
Harry Clifford Granger, Robert Ugstad King
1951, Trace Elements Memorandum 128-A
Radioactive rock was discovered on the dump of the Copper King mine, sec. 8, T. 10 N., R. 72 W., Larirrier County, Colo., in the summer of 1949. The mine had been prospected intermittently for copper and zinc since 1,916, but there is no record that ore was produced. The...
Uranium resources in the Silver Reef (Harrisburg) District, Washington County, Utah
Frederick Stugard Jr.
1951, Trace Elements Memorandum 214
The Silver Reef district is near Leeds, about 16 miles north of St. George, Utah. The major structural feature of the district is the Virgin anticline, a fold extending southwestward toward St 0 George. The anticline has been breached by erosion, and sandstone hogbacks or “reefs” are carved from the Shinarump conglomerate and sandstone...
Ground water in alluvial deposits in Oklahoma
S.L. Schoff, E.W. Reed
1951, Economic Geology (46) 76-83
Alluvium along main streams in Oklahoma has long been recognized as a generally dependable aquifer. Pumping tests made in recent years afford a means of comparing one area with another. They indicate coefficients of transmissibility on the order of 70,000 gallons per day per foot in the Arkansas River alluvium near Fort Gibson, and 60,000 in the North Canadian...
Summary of the research work of the Trace Elements Section, Geochemistry and Petrology Branch, for the period January 1-March 31, 1951
John C. Rabbitt
1951, Trace Elements Investigations 151
This report summarized the research work of the Trace Elements Section, Geochemistry and Petrology Branch for the period January 1 - March 31, 1951. Work before that is summarized in an earlier report, "Summary of the research work of the Trace Elements Section, Geochemistry and Petrology Branch, for the period...
Apache Trail uranium prospect, White Signal district, Grant County, New Mexico
Herman L. Bauer Jr.
1951, Trace Elements Memorandum 121
The Apache Trail uranium prospect in the White Signal district, Grant County. N. Mex., was mapped by the Geological Survey in May 1950. Pre-Cambrian granite is cut by a diabase dike and a parallel quartz-hematite vein, both of which strike easterly and dip 60 to 65 degrees north. Small quantities...
Stratigraphic sections of the Phosphoria formation in Idaho, 1947-48, Part III
F.W. O’Malley, D.F. Davidson, R.A. Hoppin, R.P. Sheldon
1951, Trace Elements Investigations 188
.The U.S. Geological Survey has measured and sampled the Phosphoria formation at many localities in Idaho and other western states. These data will not be fully synthesized and analyzed for several years but segments of the data, accompanied by little or no interpretation, are published as preliminary reports as they...
Airborne radioactivity survey in the vicinity of Grants, McKinley and Valencia Counties, New Mexico
Frank W. Stead
1951, Trace Elements Memorandum 161
An airborne radioactivity survey in the vicinity of Grants, New Mexico, was made on May 28. 1951; aeromagnetic measurements were made concurrently with the radioactivity measurements. Several radioactivity anomalies were noted in conjunction with negative magnetic anomalies; this association is unusual and may reflect a genetic relationship between the uranium...
Notes on the manganese ores of Brazil
C. F. Park Jr., J. V. N. Dorr, P. W. Guild, A. L. M. Barbosa
1951, Economic Geology (46) 1-22
Brazil has been a small but consistent source of manganese ore for world markets during the last five decades. Production both for export and for domestic use is likely to increase. Deposits can be classified into syngenetic (the primary manganese sediments in iron formation at Urucum) and epigenetic. The epigenetic...
Preliminary report on the geology and ground-water supply of the Newark, New Jersey, area
Henry Herpers, Henry C. Barksdale
1951, Special Report (New Jersey Division of Water Policy and Supply) 10
In the Newark area, ground water is used chiefly for industrial cooling, air-conditioning, general processing, and for sanitary purposes. A small amount is used in the manufacture of beverages. Total ground-water pumpage in Newark is estimated at not less than 20,000,000 gallons daily. The Newark area is underlain by formations of...
Correlation list of new and old numbers of The Descriptive Catalogue of the Photographs of the U.S. Geological Survey of the Territories for the Years 1869-1875: Miscellaneous Publication, no. 5, Department of the Interior, U.S. Geological Survey of the Territories, 1875
1951, Report
The numbers of the negatives listed in the Descriptive Catalogue of the Photographs of the U. S. Geological Survey of the Territories for the years 1869 to 1875, Miscellaneous Publication No. 5, Department of the Interior, U. S. Geological Survey of the Territories, 1875, were replaced many years ago with...
Determination of fluorine in organic compounds: Microcombustion method
H. S. Clark
1951, Analytical Chemistry (23) 659-661
A reliable and widely applicable means of determining fluorine in organic compounds has long been needed. Increased interest in this field of research in recent years has intensified the need. Fluorine in organic combinations may be determined by combustion at 900° C. in a quartz tube with a platinum catalyst,...