A field efficacy study of strychnine and zinc phosphide grain baits using nontoxic prebait for the control of the Columbian ground squirrel (Spermophilus columbianus)
By: by Daniel Sullivan and Steven F. Baril
Contributors: Baril, Steven F.; Montana. Environmental Management Division. Technical Services Bureau
Series: Technical report -- 81-2
Publisher: Montana Dept. of Agriculture, Environmental Management Division, Technical Services Bureau
Published: 1981
Place of publication: Helena, Mont
Language: eng
Subjects: Control; Ground squirrels; Rodents; Strychnine; Zinc phosphide; Testing
Notes: "August 1981."

Cover title.

Bibliography: p. 7-8.