Directory of field activities of the Bureau of biological survey
Edition: Rev.
Series: Miscellaneous publication / United States Department of Agriculture -- no. 49; Miscellaneous publication (United States. Dept. of Agriculture) -- no. 49.
Publisher: U.S. G.P.O.
Published: 1932
Place of publication: Washington
Language: eng
Number of pages: 53
Subjects: Directories; Biology; United States. Bureau of Biological Survey; United States
Notes: Cover title.

Issued June 1929; Revised October, 1932.