. gk Cr. fog ~=— r UNIVERSITY OF Cerca SCHOOL OF FISHERIES SEATTLE 5, WASHINGTON The Applied Fisheries Laboratory 10 October 1950 Dr. Paul B. Pearson Chief, Biology Branch Division of Biology and ledicine US Atomic Energy Commission washington 25, D.C. Dear Dr. Pearson: In our continuing work with the Facific area studies we wish to study the calcium content of plants in the crater areas of the rniwetok "shot" islands. The few plants from this area that have been eshemically analized so far show calcium deficiency bordering on the base minimum essential to maintain life. To more fully understand the problem it is necessary to know what way the soil has been moved afterthe.sxplosions,Could you | findout for us WHat HoVenent of earth has been made.in C are for the trater ~fngebt’- Aaomon-Biijiri and Runit Islands yn preparation Timents and after the experiment August, 1949 This information should be available in the Military Weapons Division of the Atomic Energy Commission in Washington or in Los Alames. any information that can be provided in this area will be greatly appreci ated. Sincerely yours, Mp Lauren R. Donaldson Director Saty Pe [lf iy fog . a by . es He Lh, Cpegytacl D 7