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Page 6346, results 158626 - 158650

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Distribution of uranium in the Florida phosphate field
James B. Cathcart
1949, Trace Elements Investigations 85
Land-pebble phosphate, hard-rock phosphate, and river-pebble phosphate are the three types of phosphatic rock found in Florida. This report is concerned primarily with the land-pebble deposits, the only type which contains a significant amount of uranium. The most productive part of the land-pebble district is in Polk and Hillsborough Counties, in...
Progress on detection of radioactivity by airborne equipment
Frank W. Stead
1949, Trace Elements Investigations 83
Coincidence and anti-coincidence counting rate meters and also an air conductivity meter have been installed in a transport plane to measure gamma radiation from ground sources. Materials containing 0.01 percent uranium can be detected at 500 feet and at an airspeed of 150 miles per hour....
The Carbon Creek and Awuna anticlines
William A. Fischer
1949, Geological Investigations, Naval Petroleum Reserve No. 4, Alaska 10
At the interim meting of the Technical Committee in Fairbanks, Alaska, in September 1949, the Navy Oil Unit was requested to make photo-geologic analysis of the Driftwood, Awuna, and Carbon Creek anticlines before the November meeting. A report on the photogeology of the Driftwood anticline, based on available air photos,...
Fourth special report of the Hawaiian Volcano Observatory of the U.S. Geological Survey and the Hawaiian Volcano Research Association: Steam blast volcanic eruptions: A study of Mount Pelée in Martinique as type volcano
T. A. Jaggar
1949, Report
The investigation is concerned with the author's expedition to Martinique and St. Vincent in 1902 and comparison of the experience of investigators and sufferers with that of others in so-called "explosive" eruptions. The Hawaiian mechanism is reviewed with special reference to rifts, underground water, intrusion furnace, wedge rupture, and lowering...
A definition of depletion of fish stocks
John Van Oosten
1949, Transactions of the American Fisheries Society (76) 283-289
Attention was focused on the need of a common and better understanding of the term depletion as applied to the fisheries in order to eliminate if possible the existing inexactness of thought on the subject. Depletion has been confused at various times with at least ten different ideas associated with...