Scope and Contents From the Collection: The Harold A. Knapp photograph collection contains three parts. Box 1 contains images, graphs, and maps documenting the effects of nuclear fallout on sheep and cattle, primarily in Nevada. Box 2, which is housed in the same container as Box 1, contains black-and-white transparencies from a Oct 20, 1983 presentation on nuclear fallout that Knapp gave to the Dose Assessment Advisory Group of the Department of Energy. Box 3 contains glass slides of test data related to nuclear testing. The...