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General Information

  • Title: Upper Paleozoic floral zones of the United States
  • Author(s): Read, C.B., and Mamay, S.H.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Professional Paper 400-B [p. B381-B383]
  • Larger Work: Zapp, A.D., and Cobban, W.A., eds., Geological Survey research 1960; short papers in the geological sciences; Articles 1-232
  • Publication Date: 1960
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.