- Additional Authors
- Geological Survey (U.S.), issuing body.
- Description
- 1 online resource (27 unnumbered pages) : illustrations.
- Series Statement
- Geological Survey professional paper ; 221-D
- Shorter contributions to general geology ; 1949
- Uniform Title
- Geological Survey professional paper ; 221-D.
- Shorter contributions to general geology ; 1949.
- Subject
- Note
- Includes plates.
- Title from title screen (viewed September 29, 2014).
- "A study of fossil plants useful in determining the probable boundary between the Lower and Upper Cretaceous deposits."
- Bibliography (note)
- Includes bibliographical references (pages 52-53) and index.
- Call Number
- GPO Internet I 19.16:221-D
- OCLC
- marcive891598797
- Author
Brown, Roland W. (Roland Wilbur), 1893-1961, author.
- Title
Cretaceous plants from southwestern Colorado / by Roland W. Brown.
- Publisher
Washington : United States Department of the Interior, Geological Survey, 1950.
- Type of Content
text
- Type of Medium
computer
- Type of Carrier
online resource
- Series
Geological Survey professional paper ; 221-D
Shorter contributions to general geology ; 1949
Geological Survey professional paper ; 221-D.
Shorter contributions to general geology ; 1949.
- Bibliography
Includes bibliographical references (pages 52-53) and index.
- Connect to:
- Chronological Term
From 65 to 140 million years ago
- Added Author
Geological Survey (U.S.), issuing body.
- Other Form:
Print version: Brown, Roland W. (Roland Wilbur), 1893-1961. Cretaceous plants from southwestern Colorado (OCoLC)2594450
- Gpo Item No.
0624 (online)
- Sudoc No.
I 19.16:221-D