Project Pre-Gondola I. Technical Director's Summary Report.
ARMY ENGINEER NUCLEAR CRATERING GROUP LIVERMORE CALIF
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The report presents the concepts, technical programs, objectives, and summarized results of Project Pre-Gondola I, a series of four 20-ton high explosive cratering experiments conducted during October-November 1966, near Fort Peck, Montana. The experiments established the cratering characteristics of the weak, wet, clay-shale Bearpaw preparatory to row-charge cratering experiments. The site medium, project layout, construction, field operations, and explosive charge design and emplacement are described. Author
- Geology, Geochemistry and Mineralogy