Slides of Utah and Nevada, 1965, Ordovician, with Dr. Reuben Ross of U.S. Geological Survey

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This item contains slides of Cooper's field work with Dr. Reuben Ross in Nevada and Utah, September 1965. Orthidiella (brachiopod) bed and reef in Orthidiella bed depicted. From accompanying note: "Slides made in a study of Ordovicion rocks...Devils Gate on US 50 west of Eureka, Ikes Canyon, Caesar Canyon, and Martins Ridge in east side of Toquima Range. 9-mile Canyon in Monitor Range, east side of Antelope Valley facing Toquima Range. Great Ordovician Reef east of Beatty in SW Nevada opposite Death Valley." Also included Devonian range east of Delta, Utah near Logan, Utah.

Date Range


Start Date

Aug 31, 1965

End Date

Aug 31, 1965

Access Information

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  • Geology
  • Paleontology


  • United States
  • Antelope Valley
  • Utah
  • Confusion Range
  • Nevada
  • Ikes Canyon


  • Fieldbook record
  • Field notes
  • Slides (photographs)

Accession #

SIA RU007318

Collection name

G. Arthur Cooper Papers, 1923-1993 and undated

Physical Description

42 slides

Physical Location

Smithsonian Institution Archives


Box 37 Folder 7-8