ArchivalMaterials
Finding aid
G. Arthur Cooper and his wife, Josephine Cooper, are at work in his office in the Division of Invertebrate Paleontology, United States National Museum, now the National Museum of Natural History, in June of 1954. [Image no. 84-4051]
Photograph of Charles Lewis Gazin's field work and collecting in Wyoming, 1941. Two tents and a Jeep in the center of image, with mountains in the background. [Image no. SIA2012-2692]