Porcupine control in the western states
By: [by Ira N. Gabrielson and E.E. Horn]
Contributors: Horn, Everett Ellis, 1896-
Series: U.S. Dept. of Agriculture. Leaflet -- no. 60; Leaflet (United States. Dept. of Agriculture) -- no. 60.
Publisher: U.S. Dept. of Agriculture
Published: 1930
Place of publication: Washington, D.C
Language: eng
Subjects: Porcupines
Notes: Cover title.

"Issued May, 1930."

Contribution from Bureau of Biological Survey.