LBL Archives and Records Office Nuclear Testing and Fallout Records Survey 1. NARA Accession Number 2. LBL Accession Number 3. Location ? _LO*ARG (LBL Building 74B, Room 101; LLL Site 300 for Classified Doc?] 4 Division/Department or Research Group RESEARCH MEDICINE AND RADIATION BIOPHYSICS (Biology & Medicine - Crocker Laboratory) Joseph G. Hamilton 5. Description of Records a. Record Title Technical Administrative Records - Dr. Joseph G. Hamilton See attachments for folder list. b. Record Media TEX c. Dates 1941-1957 , d. Size of Records - Cubic Feet ant Number ofUnits aot Dimensionof Records — al. e. Arrangement f. Security Classification Unclassified & Classified g. Creating Individual or Organizational Unit h. Series Description Correspondence and report files of Dr. Hamilton, pertaining to technical and administrative concerns, primarily connected with defense, MED, and other governmental projects. Chief among the projects were the radiological and metabolic studies of nuclear fission products at the Crocker Laboratory, and the Trinity and Crossroads test operations. SEE "File Contents’ List. Series included research notebooks of animal studies, reports on fission products, radiological warfare, autoradiography, Crossroads and other test data.

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