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  • Image (17)

• Collection

  • Dennis Glen Cooper Collection (17)

• Date

  • 1950 (17)
  • 1959 (17)
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• Subject

  • Petrified forests (15)
  • Petrified forests--Arizona (15)
  • Petroglyphs (2)
  • Petroglyphs--Arizona (2)
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• Coverage

  • Arizona (17)