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Browse more than 160,000 publications authored by our scientists over the past 100+ year history of the USGS.  Publications available are: USGS-authored journal articles, series reports, book chapters, other government publications, and more.

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Filter Total Items: 171827

Origin of the Bendigo saddle reefs with comments on the formation of ribbon quartz

"Several textural varieties of quartz, together with ore textures and structural relations, indicate that (1) open-space filling, (2) replacement, and (3) growth by accretion were active processes in the formation of saddle reefs and related quartz bodies of the Bendigo goldfield, Australia. The relative importance of each process varied with the type of quartz body. . . . Book structure, ribbon s
Authors
Frederick Mason Chace

A hypothesis on the origin of a limonitic layer in beds of Eocene age in Fayette County, Tennessee

No abstract available.
Authors
Robert Schneider

The moose and its ecology

No abstract available.
Authors
N.W. Hosley

Management methods and safeguards employed in reductional control of injurious wildlife

No abstract available.
Authors
Donald A. Spencer

Publications on fur animals and trapping

No abstract available.
Authors

An experiment on Peromyscus homing

No abstract available.
Authors
Lucille F. Stickel
By
Ecosystems Mission Area, Eastern Ecological Science Center

Experimental planting of food and cover for deer

No abstract available.
Authors
Shaler E. Aldous

Summary of microfossil investigations, April 1948 to April 1949 with special reference to the south Barrow and Simpson areas

This report summarizes the results of microfossil investigations for he past year. It includes the microfossil data from the two South Barrow Test Wells and studies of samples from outcrop material an from seismograph shot holes. In addition, new information bearing on the special study of microfossils from the Cape Simpson area is presented. The ostracoda that have been recently studies are discu
Authors
Helen N. Loeblich

Heavy mineral zonation of Cretaceous and Tertiary rocks of the central area of northern Alaska

This report presents the general conclusions pertaining to the correlation of Cretaceous and Tertiary rocks in test wells and outcrops in the central area of northern Alaska (fig. 1) by means of heavy minerals. Approximately 1.000 drill and outcrop samples have been studied. In order to relate the materiel here presented to the regional geologic picture of the central area, the restored facies cro
Authors
Ernest H. Lathram

Study of radioactive equilibrium in Carnotite ores of the Colorado Plateau

The purpose of this study was to determine the age of Colorado Plateau carnotite. In addition to quantitative analyses of uranium and lead, the radium-uranium equilibrium of each sample was studied. Of the 12 samples studied, 10 are deficient in radium. If a minimum age of 130 million years is chosen for the enclosing sediments, 11 samples are deficient in lead. This deficiency may be explained by
Authors
L. R. Stieff, M.N. Girhard, T. W. Stern

Submarine geology and topography in the Northern Marshalls

The atomic bomb tests at Bikini in 1946 provided an opportunity to study the characteristics of atolls using modern surveying techniques. The work has shown that many of the important features, both above and below sea level, are definitely related to the direction of the prevailing winds, waves, and currents. Beyond the windward (north and east) reefs of Bikini, the steep outer slope is broken in
Authors
K.O. Emery, J. I. Tracey, H. S. Ladd

Calculated gravity anomaly produced by possible fault under line 27-48

The seismograph data from Line 27-48 of Party 47 indicates the possibility of a high angle fault win a displacement of roughly 1,000 feet under South Barrow Test Well No. 2. This fault vas discussed in E. Wiancko's report for United Geophysical Company entitled "Report of Reflection Seismograph Survey in the Barrow Area During 1948".Mr. Delta. and Mr. English recently expressed a desire to know th
Authors
Stephen W. Dana
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