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Earthquakes in the oil field at Rangely, Colorado
James F. Gibbs, John H. Healy, C. Barry Raleigh, John M. Coakley
1972, Open-File Report 72-130
Seven years of seismic data recorded at the Uinta Basin Observatory were searched for earthquakes originating near an oil field at Rangely, Colorado, located 65 km ESE of the observatory. Changes in the number of earthquakes recorded per year appear to correlate with changes in the quantity of fluid injected...
Reconnaissance geology of the Precambrian rocks in the Bi'r Ghamrah quadrangle, Kingdom of Saudi Arabia
William C. Overstreet, Jesse William Whitlow
1972, Open-File Report 72-279
Three sequences of volcanic and sedimentary rocks are identified in the Precambrian rocks of the Bi'r Ghamrah quadrangle at the eastern edge of the Precambrian Shield in central Saudi Arabia. The oldest sequence is called the Bi'r Khountina Group. It consists of conglomerate marble, andesite, and graywacke. Unconformably overlying this...
Reconnaissance engineering geology of the Haines area, Alaska, with emphasis on evaluation of earthquake and other geologic hazards
Richard Walter Lemke, Lynn A. Yehle
1972, Open-File Report 72-229
The Alaska earthquake of March 27, 1964, brought into sharp focus the need for engineering geologic studies in urban areas. Study of the Haines area constitutes an integral part of an overall program to evaluate earthquake and other geologic hazards in most of the larger Alaska coastal communities. The evaluations...
Reconnaissance geology of the Jabal Bitran quadrangle, Kingdom of Saudi Arabia
Viktor P. Kahr, W.C. Overstreet, J. W. Whitlow, A.O. Ankary
1972, Open-File Report 72-204
The Jabal Bitten quadrangle covers an area of 2833 sq km in the eastern part of the Precambrian Shield in Saudi Arabia. The rocks in the quadrangle are divided geographically alone arcuate north-trending lines into an eastern area of granite intruded by a swarm of dikes of rhyolite and andesite,...
Oil-shale assays on Grand Mesa, west-central Colorado
John R. Donnell
1972, Open-File Report 72-93
The attached diagram shows the Fischer assay histograms of oil shale from 4 core holes drilled on Grand Mesa. Core-hole locations are shown on-an insert map of Grand Mesa in the lower right corner of the diagram....
Population ecology of the mallard: I. A review of previous studies and the distribution and migration from breeding areas
David R. Anderson, Charles J. Henny
1972, Resource Publication 105
This report, the first of a series of reports on a comprehensive analysis of population data on the? millIard at? the continental level, provides background information including a review of the history of waterfowl management and a resume of previous studies of the mallard. The breeding range of the mallard...
Geological Survey research 1972, Chapter C
Water Resources Division, U.S. Geological Survey
1972, Professional Paper 800-C
This collection of 37 short papers is the second published chapter of "Geological Survey Research 1972." The papers report on scientific and economic results of current work by members of the Conservation, Geologic, and Water Resources Divisions of the U.S. Geological Survey.Chapter A, to be published later in the year,...
Volcanic stratigraphy of the Quaternary rhyolite plateau in Yellowstone National Park
Robert L. Christiansen, H. Richard Blank Jr.
1972, Professional Paper 729-B
The volcanic sequence of the Quaternary Yellowstone plateau consists of rhyolites and basalts representing three volcanic cycles. The major events of each cycle were eruption of a voluminous ash-flow sheet and formation of a large collapse caldera. Lesser events of each cycle were eruption of precaldera and postcaldera rhyolitic lava...