Upper Paleozoic Floral Zones and Floral Provinces of the United States

Författare
United States Geological Survey (U.S.) Grace C. Keroher Sergius H. Mamay Charles Brian Read
(Charles B. Read and Sergius H. Mamay with a Glossary of stratigraphic terms by Grace C. Keroher., Includes bibliographical references and index.)
Genre
Ej skönlitteratur, Government publications.
Språk
Engelska
Förlag År Ort Om boken ISBN
United States Government Printing Office 1964 USA, Washington D.C iv, 35 sidor, 19 planschsidor illustrationer 29 cm