e SPECTROMETRIC ANALYSIS OF GAMMA RADIATION FROM FALLOUT FROM OPERATION REDWING Research and Development Technical Report USNRDL-TR-146 - 29 April 1957 by , W.E. Thompson Nuclear Rediation Characteristics R.L. Mather, Head ie 4 Nucleonics Division A. Guthrie, Head Scientific Director P.C. Tompkins Commanding Officer and Director Captain Richard S. Mandelkorn, USN U.S. NAVAL RADIOLOGICAL DEFENSE LABORATORY San Francisco 24, California