Professional papers. 221-D. Cretaceous plants from southwestern Colorado, study of fossil plants useful in determining probable boundary between Lower and Upper Cretaceous deposits [with bibliography]; by Roland W. Brown.
Publication Title:
Cretaceous plants from southwestern Colorado, study of fossil plants useful in determining probable boundary between Lower and Upper Cretaceous deposits [with bibliography]; by Roland W. Brown.
Display Title:
Professional papers. 221-D. Cretaceous plants from southwestern Colorado, study of fossil plants useful in determining probable boundary between Lower and Upper Cretaceous deposits [with bibliography]; by Roland W. Brown.
Series Title:
Professional papers.
Corporate Agency Authors:
Geological Survey and Interior Dept.
Sort Author:
Geological Survey
Authors:
Brown, Roland W.
Date:
1950
Publish Date ISO Format:
1950-01-01T00:00:00Z
Publication Start:
19500101
Publication End:
19501231
Corporate/Agency Author:
Geological Survey
Publication month:
13
Publication year:
1950
SuDoc number:
I 19.16:(nos.)
Description:
iii+45-66 p. il. 4°
Notes:
[Shorter contributions to general geology, 1949, p. 45-66.]
Notes:
[Shorter contributions to general geology, 1949, p. 45-66.] • Sent to Depository Libraries. Item 502
Availability:
* For Sale by Superintendent of Documents. Paper, 20c. and • Sent to Depository Libraries. Item 502