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Page 5380, results 134476 - 134500

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Earthquakes and related catastrophic events, Island of Hawaii, November 29, 1975: A preliminary report
Robert I. Tilling, R. Y. Koyanagi, P. W. Lipman, J. P. Lockwood, J.G. Moore, D. A. Swanson
1976, Circular 740
The largest earthquake in over a century--magnitude 7.2 on the Richter Scale--struck Hawaii the morning of November 29, 1975, at 0448. It was centered about 5 km beneath the Kalapana area on the southeastern coast of the island at 19° 20.1 ' N., long 155° 01.4 ' W.). The earthquake...
Ground-water resources in the Lompoc area, Santa Barbara County, California
G.A. Miller
1976, Open-File Report 76-183
Water supplies in the Lompoc plain are pumped from highly permeable gravel and sand, which make up the main water-bearing zone. The history of ground-water quality in the Lompoc area shows little change in the Lompoc upland and the Lompoc terrace, but an increase in the concentration of dissolved solids...
Research by the U.S. Geological Survey on organic materials in water
Robert Andrew Baker
1976, Circular 744
The U.S. Geological Survey has responsibility for investigating the Nation's water resources for source, availability, quantity, and quality. This paper describes the Geological Survey's research on organic substances in water and fluvial sediments. Results and ongoing studies are examined. Typical research includes: Separation, concentration, and chromatographic identification of volatile acids;...
Preliminary report on coal resources of the Otter Creek EMRIA site, Powder River County, Montana
E. J. McKay, Joseph R. Hatch, Edwin R. Landis
1976, Open-File Report 76-387
The Knoblock coal bed in the Otter Creek EMRIA (Energy Minerals Rehabilitation Inventory and Analysis) site--an area of about 1,177 acres (476 hectares)--contains estimated identified coal resources of about 126 million short tons (114 million metric tons). The area around and including the Otter Creek EMRIA slte--an area of about...
Analytical precision of one-sixth order semiquantitative spectrographic analysis
J. M. Motooka, D. J. Grimes
1976, Circular 738
Over 2,700 separate analyses were made on 22 different geologic samples selected to cover wide concentration ranges for the 30 elements studied. The precision for low, medium, and high concentrations of each element determined is represented by superimposed frequency diagrams and displays the frequency of reported values occurring within one-sixth...
Geologic appraisal of the petroleum potential of offshore southern California; the borderland compared to onshore coastal basins
James Carlton Taylor
1976, Circular 730
Offshore southern California is part of a much larger Pacific continental margin, and the two areas have a similar geologic history at least as far back as middle Tertiary time. Assessment of the petroleum potential of the offshore Southern California borderland is accomplished by examining the adjacent highly explored productive...
Stratigraphy and petroleum possibilities of lower Upper Devonian (Frasnian and lower Famennian) strata, Southwestern Utah
Edward J. Biller
1976, Open-File Report 76-343
The lower Upper Devonian rocks in southwestern Utah--the Guilmette Formation and equivalents--represent a final regressive pulse of the major Late Devonian marine inundation of the Western Interior of the United States and record marine carbonate deposition on a wide continental shelf. They consist primarily of limestone, dolomite, and quartz arenite...
Use of an airborne Fraunhofer line discriminator for the detection of solar stimulated luminescence
Robert D. Watson, William R. Hemphill
1976, Open-File Report 76-202
Luminescence is the property of some materials to emit light when excited by external stimuli such as ultraviolet or visible light or by chemical or mechanical action. The Fraunhofer line discriminator (FLO) is an airborne electro-optical device which operates as a non-imaging radiometer and permits detection of solar stimulated luminescence...
Composition of selected rain samples collected at Menlo Park, California, 1971
Vance C. Kennedy, Gary W. Zellweger, Ronald J. Avanzino
1976, Open-File Report 76-852
Chemical analysis are tabulated for 104 rain samples that were collected at Menlo Park, California, during November and December 1971. Of the 13 constituents determined, chloride was the most prominent with a range from less than 0.1 to 15.0 mg/liter. (Woodard-USGS)...