Directions for field work of assistants of Biological Survey [microform]

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Bibliographic Details
Corporate Author:	United States. Bureau of Biological Survey
Other Authors:	Bailey, Vernon
Format:	Government Document Microfilm Book
Language:	English
Published:	Washington : U.S. GPO, 1912.
Series:	Biological Survey Form ; No. 69.
Subjects:	United States. > Bureau of Biological Survey. Animals. Wildlife conservation.

Directions for field work of assistants of Biological Survey.

Published 1912

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