North American species of Tempskya and their stratigraphic significance
A description of two new species of the Early Cretaceous tree fern Tempskya and a discussion of the characters and distribution of the other North American species.
| Main Author: | Ash, Sidney R., 1928- |
|---|---|
| Other Authors: | Read, C. B.,, Geological Survey (U.S.), |
| Format: | Book |
| Language: | English |
| Published: |
Washington :
U.S. Govt. Print. Off.,
1976.
|
| Physical Description: |
iii, 42 pages, 13 leaves of plates : illustrations ; 29 cm. Also available via Internet from USGS web site. Address as of 4/9/08: http://pubs.er.usgs.gov/usgspubs/pp/pp874; current access available via PURL. |
| Series: |
Geological Survey professional paper ;
874. |
| Subjects: |
CMU Storage Gov Pub
| Location | Call Number: | Status |
|---|---|---|
| CMU Storage Gov Pub | I 19.16:874 | Available |
| CMU Storage Gov Pub | I 19.16:874 | Available |
CMU Gov Pub Electronic
Electronic Resource Click Here| Location | Call Number: | Status |
|---|---|---|
| CMU Gov Pub Electronic | I 19.16:874 | Available |