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Subsurface Fracturing from Shoal Nuclear Detonation: Final Report

Description: Abstract: A fracture-evaluation experiment in conjunction with the Shoal nuclear detonation in granite was undertaken to determine the extent of subsurface shock-induced fractures. Preshot and postshot geophysical logs in a hole drilled from the surface through the zone of fractures indicated that fractures extended at least 5.3 cavity radii laterally from the point of detonation. Quantitative measurements of permeability increases resulting from the detonation were planned, but were not comple… more
Date: June 1964
Creator: Atkinson, Charles H.
Partner: UNT Libraries Government Documents Department
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Final Report: Geological, Geophysical, Chemical, and Hydrological Investigations of the Sand Springs Range, Fairview Valley, and Fourmile Flat, Churchill County, Nevada

Description: Report on an evaluation of the Sand Springs Range as a possible location for an underground nuclear study (Shoal Event). Various tests to determine the site's suitability included aerial photography and mapping of the area through various means; drilling and bulldozing to conduct mineralogical and other physical evaluations; gravity, aeromagnetic, and refraction surveys; and studies related to the hydrology of the location and surrounding areas.
Date: April 26, 1965
Creator: Nevada. Bureau of Mines.
Partner: UNT Libraries Government Documents Department
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Preshot and Postshot Structure Survey

Description: From introduction: This report documents the preshot and postshot condition of all structures within 10 miles of Ground Zero, plus structures at Salt Wells and surface structures at mines that were included in the mine survey.
Date: December 1963
Creator: Holmes & Narver
Partner: UNT Libraries Government Documents Department
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Structural Survey of Private Mining Properties

Description: From introduction: The pre-shot and postshot mine surveys indicated that no damage attributable to the Shoal event occurred to any of the sixteen private mining properties.
Date: December 1963
Partner: UNT Libraries Government Documents Department
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Test of Dribble-Type Structures

Description: From introduction: This task was conducted at Project Shoal to observe the response of simulated Dribble area building foundations to ground motions induced by a nuclear detonation.
Date: October 21, 1964
Partner: UNT Libraries Government Documents Department
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