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Publications

USGS research activities relevant to Alaska have yielded more than 9400 historical publications. This page features some of the most recent newsworthy research findings.

Filter Total Items: 2877

Radiometric age map of Aleutian Islands

This map includes published, thesis, and open-file radiometric data available to us as of June, 1975. Some dates are not plotted because of inadequate location data in the original references.The map is divided into five sections, based on 1:1,000,000 scale enlargements of the National Atlas maps of Alaska. Within each section (e.g., southeastern Alaska), radiometric dates are plotted and keyed to
Authors
Frederic H. Wilson, D. L. Turner

Radiometric age map of southeast Alaska

This map includes published, thesis, and open-file radiometric data available to us as of June, 1975. Some dates are not plotted because of inadequate location data in the original references.The map is divided into five sections, based on 1:1,000,000 scale enlargements of the National Atlas maps of Alaska. Within each section (e.g., southeastern Alaska), radiometric dates are plotted and keyed to
Authors
Frederic H. Wilson, D. L. Turner

Ground-water quality beneath solid-waste disposal sites at anchorage, Alaska

Studies at three solid-waste disposal sites in the Anchorage area suggest that differences in local geohydrologic conditions influence ground-water quality. A leachate was detected in ground water within and beneath two sites where the water table is very near land surface and refuse is deposited either at or below the water table in some parts of the filled areas. No leachate was detected in grou
Authors
Chester Zenone, D.E. Donaldson, J.J. Grunwaldt

Location and description of spiral-shaped microorganisms in the normal rat cecum

Some indigenous microorganisms have been shown to localize in certain anatomical sites of the digestive tract of mammals. We studied the ceca of normal adult rats by light and electron microscopy to determine whether any specific bacterial population localizes in this area. All rats studied showed that the crypt was packed with organisms whose morphological character differs from those of the ceca
Authors
Charles P. Davis, D. Mulcahy, A. Takeuchi, D.C. Savage

Effect of vancomycin, streptomycin and tetracycline pulsating jet lavage on contaminated wounds

The treatment of contaminated wounds in order to prevent infection has not varied remarkably for several decades. Although much effort has been directed towards finding a more satisfactory treatment, these efforts have generally resulted in failure or in minimal improvement.Studies at this Institute have shown that pressure pulsating water lavage can remove debris and bacteria more effectively tha
Authors
Duane E. Cutright, Surindar N. Bhaskar, Arthur Gross, Bienvenido Perez, Joe D. Beasley, Daniel M. Mulcahy

Water resources of the Upper Colorado River Basin - Technical report

No abstract available.
Authors
William Vaughn Iorns, Charles Herbert Hembree, Godfrey L. Oakland

Data on uranium and radium in ground water in the United States, 1954 to 1957

This report is one of a series resulting from a study by the U.S. Geological Survey to determine the occurrence and distribution of naturally radioactive substances in water. From 1954-57 uranium and radium concentrations were determined in 561 samples, mainly of ground water, having wide geologic and geographic distribution. These concentrations, together with data on the hydrologic and geologic
Authors
R. C. Scott, F. B. Barker

Renal coccidiosis in oldsquaws (Clangula hyemalis) from Alaska

Renal coccidiosis was found in 4 of 12 oldsquaw ducks (Clangula hyemalis) collected from the north slope of Alaska and Prince William Sound. Numerous 1 to 2 mm white foci were observed on the kidney surface of one bird. Microscopically, there was distention of renal tubules with oocysts, flattening of tubular epithelium, and interstitial accumulation of mononuclear cells. Kidneys from several othe
Authors
J. Christian Franson, Dirk V. Derksen

Water problems in the present trend towards greater aridity

In the past few days we have heard a number of scientists, gathered here at Scripps Institution of Oceanography, discuss research work which, in one manner or another, bears on problems related to water resources. They have been discussing, particularly, problems in the field of climatology, and have speculated on the meaning of the results of this research. One of the problems under discussion wa
Authors
Luna Bergere Leopold