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

184938 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 6269, results 156701 - 156725

Show results on a map

Publication Extents

Not all publications have extents, not all extents are completely accurate
River channel change with time : An example
Luna Bergere Leopold
1973, Geological Society of America Bulletin (84) 1845-1860
Monumented channel cross sections were resurveyed over a period of 20 yrs (1953 to 1972) to determine the amount and kind of change of channel area and position on a 3.7-sq-mi basin, Watts Branch near Rockville, Maryland. For the first 12 yrs, the channel progressively but slowly became smaller as...
Summary of chemical and radiochemical monitoring of water for the Cannikin event, Amchitka Island, Alaska, fiscal year 1972
L.J. Schroder, Wilbur C. Ballance
1973, Report
An increased dissolved-solids content was found immediately after the Cannikin event (November 6, 1971) at most of 10 locations in a water-sampling network established in 1967 and revised in September 1971. The observed dissolved-solids content increase was within the seasonal range that has been observed at these locations. No measurable increase...
Radiochemical monitoring of water after the Cannikin event, Amchitka Island, Alaska, October 1972
L.J. Schroder, Wilbur C. Ballance
1973, Report
The U.S. Geological Survey collected water samples from Arnchitka Island, Alaska, during October 1972. Tritium determinations were made on all samples collected and gross alpha and gross beta/gamma determinations were made on 41 samples. The gross alpha and gross beta determinations when compared with previously determined ranges for fresh waters...
Hydraulic tests in hole UAe-3, Amchitka Island, Alaska
Wilbur C. Ballance
1973, Report
Inflatable straddle packers were used to isolate and test selected intervals in hole UAe-3. Packer seats were poor in the uncased part of the hole because of unstable wall conditions, and leakage around packers occurred during some tests. However, leakage generally was slight, as shown on pressure-gage charts, and had...
Determination of lead, uranium, thorium, and thallium in silicate glass standard materials by isotope dilution mass spectrometry
I. L. Barnes, E. L. Garner, J. W. Gramlich, L. J. Moore, T. J. Murphy, L. A. Machlan, W. R. Shields, Mitsunobu Tatsumoto, R. J. Knight
1973, Analytical Chemistry (45) 880-885
A set of four standard glasses has been prepared which have been doped with 61 different elements at the 500-, 50-, 1-, and 0.02-ppm level. The concentrations of lead, uranium, thorium, and thallium have been determined by isotope dilution mass spectrometry at a number of points in each of the...
Mollusks
G. L. Hoffman
R.J. Flynn, editor(s)
1973, Book chapter, Parasites of laboratory animals
No abstract available at this time...
Helminths and leeches
G. L. Hoffman
R.J. Flynn, editor(s)
1973, Book chapter, Parasites of laboratory animals
No abstract available at this time...
Arthropods
G. L. Hoffman
R.J. Flynn, editor(s)
1973, Book chapter, Parasites of laboratory animals
No abstract available at this time...
Some physiological aspects of sublethal heat stress in the juvenile steelhead trout (Salmo gairdneri) and coho salmon (Oncorhynchus kisutch)
Gary Wedemeyer
1973, Journal of the Fisheries Research Board of Canada (30) 831-834
A rapid (3 min) but sublethal temperature increase from 10 to 20 imposed a greater stress on juvenile coho salmon (Oncorhynchus kisutch) than on juvenile steelhead trout (Salmo gairdneri). Both species suffered hyperglycemia, hypocholesterolemia, increased blood hemoglobin, and decreased blood sugar regulatory precision, but the steelhead recovered more quickly. Acid–base equilibrium...
Nutritional factors in the biochemical pathology of Corynebacterial kidney disease in the coho salmon (Oncorhynchus kisutch)
Gary A. Wedemeyer, A. J. Ross
1973, Journal of the Fisheries Research Board of Canada (30) 296-298
The influence of diet ingredient on the morbidity and biochemical pathogenesis of corynebacterial kidney disease was investigated using juvenile coho salmon (Oncorhynchus kisutch) fed the Abernathy dry ration made up with either corn gluten or cottonseed meal (isoprotein, isocaloric substitution). Evaluation of incidence of infection, pituitary activation and aspects of...
Selected hydrologic data, lower Bear River drainage basin, Box Elder County, Utah
L.J. Bjorklund, L. J. McGreevy
1973, Utah Basic-Data Release 23
This report presents selected basic data from a study of the ground- water resources of the lower Bear River drainage basin, Box Elder County, Utah. The study was made during 1970-72 by the U.S. Geological Survey in cooperation with the Utah Department of Natural Resources, Division of Water Rights. Incorporated...
Point of zero charge of weathered forsterite
R.W. Luce, George A. Parks
1973, Chemical Geology (12) 147-153
The point of zero charge of forsterite shifts from an estimated 8.9 for the unaltered mineral to 8.4 and 8.0, respectively, after being weathered artificially for 1 h and 4 h. These results corroborate the presence of magnesium-deficient surfaces on the weathered...
The selenium content of U.S.G.S. standard rocks
M. M. Schnepfe, F.J. Flanagan
1973, Chemical Geology (12) 77-80
Selenium was determined in duplicate portions from three bottles of six U.S.G.S. standard rocks by a spect rofluorimetric procedure. The following averages, as p.p.m. Se, were obtained: PCC-1, 0.031; GSP-1, 0.088; BCR-1, 0.12; SCo-1, 0.91; MAG-1, 1.3; and SGR-1, 3.7. One-way analysis...
Petrology of some lithic fragments from Luna 20
E. Roedder, P.W. Weiblen
1973, Geochimica et Cosmochimica Acta (37) 1031-1052
Microscopic and electron microprobe studies were made of polished thin sections of part of a 30-mg sample of 250–500 μm lunar soil returned by Luna 20 from a point between Mare Fecunditatis and Mare Crisium. Very fine-grained lithic (crystalline) rock fragments, composing about...