16. Private communication, Dr. G. Cowan, Los Alamos Sc.entific Laboratory, Los Alamog, ’ New Mexico, June 1958. 17. 9.M. Greenfield; W.W. Kellogg, F.J. Krieger and R.R. Rapp; “Transport and Early Deposition of Radioactive Debris from Atomic Explosions”; Project Aureole, R-265-AEC, 1 July 1954; The RAND Corporation, Santa Monica, California; Secret Restricted Data. 18. L. Machta; “Entrainment and the Maximum Height of the Atomic Cloud”; Bulletin Am. Meteor. Soc., 31, 215 (1950); Unclassified. 19. I.C. Cheeseman and D. Sams; “On the Rise of an Atomic Cloud”; AWRE Report £9;)'57, August 1957; Aldermaston, United Kingdom; Unclassified. 20. R.R. Soule and T.H. Shirasawa; “Rocket Determination of Activity Distribution Within the Stabilized Cloud”; Project 2.61, Operation Redwing, WT-—1315, April 1960; U.S. Naval _ Radiological Defense Laboratory, San Francisco, California; Secret Restricted Data. "21. A.D. Anderson; “A Theory for Close-In Fallout”; USNRDL-TR-249, 23 July 1958;U.3, Naval Radiological Defense Laboratory, San Francisco, California; Unciasaified. 22. E.A. Schuert; “A Fallout Forecasting Technique with Resulta Obtained At the Eniwetok Proving Ground”; USNRDL-TR-139, 3 April 1957; U.S. Naval Radiological Defense Laboratory, San Francisco, California; Unclassified. 23. J.M. Dallavalle; “Micromeritics”; Pittmann Publishing Corporation, New York, New York, 1948; Unclassified. 24. Hearings before the Special Subcommittee on Radiation of the Joint Committee on Atomic Energy, Congress of the United States, Eighty-fifth Congress; First Seasion on “The Nature of Radioactive Fallout and its Effects on Man”; Part 1, May 27, 28, 29 and June 3, 1957; U.S. Government Printing Office, Washington, D.C.; Unclasatfled. 25. A.K. Stebbins M1 et al., “Third Annual HASP Briefing”; DASA-531, 15 December 1959; Defense Atomic Support Agency, Washington 25, D.C.; Unclassified. 26. W.F. Libby; “Radioactive Fallout, Particularly from the Ruasian October Series”; Proc. Nat. Acad. Sci. of U.S.A. 45, 959, 1959. 27. Hearings before the Special Subcommittee on Radiation of the Joint Committee on Atomic Energy, Congress of the United States, Eighty-fifth Congress; First Session on “ The Nature of Radioactive Fallout and its Effects on Man”; Part 2, June 4, 5, 6, and 7, 1957; U.S. Government Printing Office, Washington, D.C.; Unclassified. , 28. LL.B. Werner: “Percent of Weapon Debris Removed by Local Fallout”; Review and Lectures No. 39, USNRDL 28 August 1957; U.S. Naval Radiological Defense Laboratory, San Francisco, California; Secret Restricted Data. 29. RAND Fallout Symposium, AFSWP-1050, 1 April 1957; Armed Forces Special Weapons Project, Washington 25, D.C.; Secret Restricted Data. 30. N.M. Luiejfan; “Radtoactive Fallout from Atomic Bombs”; Report CS-36417, November 1953; Air Research and Development Command, Andrews Air Force Base, Washington, D.C.; Secret Restricted Data. 31. R.D. Cadle; “Effects of Soil, Yield, and Scaled Depth on Contamination from Atomic Bombe”; Cm. C. Contract DA-18-108-CML-3842, 29 June 1953; Stanford Research Institute, Menlo Park, California; Secret Restricted Data. 32. R.L. Stetson and others; “Distribution and Intensity of Fallout”; Project 2.5a, Operation Castle, WT-915, January 1956; U.S. Naval Radiological Defense Laboratory, San Francisco, California; Secret Restricted Data. 86