Κανονική προβολή Προβολή MARC Προβολή ISBD

Wolfe, Jack A. 1936-

Taxonomic revision of the Spermatopsida of the Oligocene Creede flora, southern Colorado / by Jack A. Wolfe and Howard E. Schorn. - [Washington]: [United States Government Printing Office], [1991]. - iv, 40 p. : ill., tables ; 28 cm. - 1923 .

First printing 1990. Second printing 1991.

Includes bibliographical references (p. 38-40).

Subjects--Topical Terms:
Paleobotany--Oligocene
Paleobotany--Colorado

Subjects--Geographic Terms:
Creede Formation (Colorado)

Dewey Class. No.: 561.19788