A biological survey of Colorado /
| Main Author: | |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
Govt. print. off,
1911.
|
| Series: | United States. Bureau of biological survey. North American fauna ;
no. 33 |
| Subjects: |
| Item Description: | At head of title: U. S. Department of agriculture. Bureau of biological survey ... |
|---|---|
| Physical Description: | 256 pages : illustrations, XII plate (including frontispiece, folded map) ; 23 cm. |