The control of bark-beetle outbreaks in British Columbia
By: by Ralph Hopping.
Contributors: Canada. Department of Agriculture. Entomological Branch.
Series: Canada, Department of Agriculture, Entomological Branch -- 15
Publisher: Thomas Mulvey
Published: 1921
Place of publication: Ottawa
Language: eng
Number of pages: 15
Subjects: Bark beetles -- British Columbia.
Notes: At the head of the title: Dominion of Canada Department of Agriculture Entomological Branch.