Directory of field activities of the Bureau of Biological Survey
Series: Miscellaneous publication / United States Department of Agriculture -- no.        49
Publisher: Bureau of Biological Survey, U.S. Dept. of Agriculture
Published: 1929
Place of publication: Washington, D.C
Language: eng
Number of pages: 38
Subjects: Directories; United States. Bureau of Biological Survey; United States
Notes: Cover title.

"Issued June, 1929."