A field guide to western reptiles and amphibians ; field marks of all species in western North America /
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Boston :
Houghton Mifflin,
1966.
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| Series: | Peterson field guide series ;
16. |
| Subjects: |
| Physical Description: | xiv, 279 pages : illustrations (part color) maps. ; 20 cm. |
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| Bibliography: | "References": pages 222-223. |