Fossil plants from the Tertiary lake beds of south-central Colorado /
| Main Author: | |
|---|---|
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, DC :
Gov. Print. Off,
1923.
|
| Series: | Professional paper // Department of the Interior, U.S. Geological Survey ;
131 G. Shorter contributions to general geology ; 1922. |
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