Taxonomic revision of the Spermatopsida of the Oligocene Creede flora, southern Colorado

Bulletin 1923
By:  and 

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Publication type Report
Publication Subtype USGS Numbered Series
Title Taxonomic revision of the Spermatopsida of the Oligocene Creede flora, southern Colorado
Series title Bulletin
Series number 1923
DOI 10.3133/b1923
Edition -
Year Published 1990
Language ENGLISH
Publisher U.S. G.P.O. ; For sale by the Books and Open-file Reports Section, U.S. Geological Survey,
Description iv, 40 p., ill. ;29 cm.