Slides of Missouri, 1966, Devonian, with Thomas Phelan

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This item contains slides of Cooper's field work with Thomas Phelan to study and collect from the Devonian formation in Missouri in 1966. Rensselandia (brachiopod) beds, Stromatopora (Cnidaria) beds, and Cystephyllum (Cnidaria) beds are depicted. Images depict areas where paleontological and geological specimen were found. Areas include Marshall, Brussels, and other locations.

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  • Geology
  • Paleontology


  • Brussels
  • Cedar Valley
  • United States
  • Missouri
  • Marshall


  • Fieldbook record
  • Field notes
  • Slides (photographs)

Accession #

SIA RU007318

Collection name

G. Arthur Cooper Papers, 1923-1993 and undated

Physical Description

35 slides

Physical Location

Smithsonian Institution Archives


Box 37 Folder 4-5