Experiments in the use of sheep in the eradication of the Rocky Mountain spotted fever tick
By: by H.P. Wood
Series: Bulletin of the U.S. Department of Agriculture -- no. 45; Bulletin of the U.S. Department of Agriculture -- no. 45.
Publisher: U.S. Dept. of Agriculture
Published: 1913
Place of publication: Washington, D.C
Language: eng
Number of pages: 11
Subjects: Sheep; Control; Rocky Mountain spotted fever tick; Parasites
Notes: Caption title.

"November 22, 1913."