REFERENCES 1. F.B. Porzel; “Ground-Shock Measurements: Crater Survey”; Annex 1.6, Part VI, Section 2, Opera- tion Greenhouse, WT~-109, December 1953; Los Alamos Scientific Laboratory, Los Alamos, New Mexico; Secret Restricted Data. 2. James L. Gaylord; “Photographic Crater Survey”; Project 3.7, Operation Ivy, WT-—618, March 1953; Lookout Mountain Laboratory, Los Angeles, California; Unclassified. 3. R.B. Vaile; “Crater Survey”; Project 3.2, Operation Castle, WT—920, June 1955; Stanford Research Institute, Stanford, California, Secret Formerly Restricted Data. 4. D.T. Griggs; “Notes on Surface and Underground Bursts”; Project 1.9-2, Operation Jangle, WT- 378, July 1952; Rand Corporation, Santa Monica, California; Unclassified. 5. “Craters Made by Ground Burst Nuclear Bombs”; FWE-17, U.S. Atomic Energy Commission, 30 July 1954; Confidential. 6. H.S. Ladd and others; “Drilling on Eniwetok Atoil, Marshall Islands”; The Bulletin of the American Association of Petroleum Geologists, Volume 37, Number 10, October 1953. ?. Dames and Moore Report; “Eniwetok Atoll’; 9 March 1951, and Supplement, 14 August 1953. 8. Dames and Moore Report; “ Bikini Atoll’; 14 August 1953. 9. 10. W.J. Christiansen, Jr.; “Cratering from Atomic Weapons”; AFSWP-514; Secret Restricted Data. “Effects of a Soil-Rock Interface on Cratering”; Technical Report No. 2-478, May 1958; U.S. Army Engineer Waterways Experiment Station, Corps of Engineers, Vicksburg, Mississippi. 39-40

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