Slides of Iowa, 1966, Devonian, with Thomas Phelan


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Cooper, G. Arthur (Gustav Arthur) 1902-


This item contains slides of Cooper's field work with Thomas Phelan to study and collect from the Devonian formation in Iowa in 1966. Rensselandia (brachiopod) beds are depicted. Images depict areas where paleontological and geological specimen were found. Areas include Cedar Valley, Center Point, Mason City, Ely, and other locations.

Date Range


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Access Information

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  • Geology
  • Paleontology


  • United States
  • Ely
  • Mason City
  • Iowa
  • Center Point
  • Cedar Valley


  • Fieldbook record
  • Field notes
  • Slides (photographs)

Accession #

SIA RU007318

Collection name

G. Arthur Cooper Papers, 1923-1993 and undated

Physical Description

32 slides

Physical Location

Smithsonian Institution Archives


Box 37 Folder 2-3