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WASHINGTON O C.
2024 Mr. Harold L. Price Director of. Regulation l
U. S. Atomic Energy Commission 4915 St. Elmo Avenue Eethesda, Maryland
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Dear Mr. Price:
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The enclosed report entitled " Geologic Investi6ations, December 1964 to March 1965 at the Proposed. Nuclear Power Plant Site,. Corral Ccayon Los Angeles County, California," by C. M. Wentworth and R. F. Yerkes is the result of the investigations we have carried on at the Corral Canyon site in the last few months.
The primary purpose of these investi6ations was to determine the age of the youngest faulting that has occurred in this area. From study of the soils and the faulted surficial deposits, it has been determined that faulting occurred more than 10,000 years ago. In addition, we have estimated the probability of pemanent surface ground displacement in the Corral Canyon area from an earthquake of ma6nitude 7 to 7 5, occurrin6 in the vicinity of the site as postulated recently by Kamb and Benioff. We have concluded that permanent surface Eround Cisplacement would occur but that the amount of l
displacement could not be predicted from the geologic evidence.
We do not object to making this report a part of the public record.
Sincerely yours, ks- /$.k Director Enclosure C
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9210130146 920520 PDR ORG NRCHIST Date_ a,_._2 s.6 r___.__
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