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William D. Sill papers

 Collection — Multiple Containers
Identifier: MSS 3747
Abstract The collection consists primarily of studies and course materials in geology and paleontology, but also includes items of personal history.
Dates: 1947-2002

Vasco M. Tanner collection on the South American Expedition

 Collection
Identifier: MSS 4170
Scope and Contents Contains first-hand accounts and retrospective articles on the South American Expedition. Includes diaries, correspondence, field notes, and articles. Much of the material focuses on the contributions of Benjamin Cluff Jr. and Chester G. Van Buren. Collection was compiled by Vasco M. Tanner, and includes his own research and writing on the expedition.
Dates: 1899-1975