Smithsonian Institution Photographic Services Division Search this
June 9, 1972
Digital contact sheet available.
Requested from Photographic Services Division by Division of Numismatics.
Presentation of the Penrose Medal (Society of Economic Geology) and the Thiessen Medal (International Congress for Coal Petrology) with Lloyd G. Henbest, Ruth Cady Adams, Silvio Bedini, Deputy Director of National Museum of History and Technology, Mary Cady Johnson, and Elvira and Vladimir Clain-Stefanelli, curators in the Division of Numismatics.