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Filtering by: Subject Forest insects -- Black Hills National Forest (S.D. and Wyo.)

Insect enemies of the pine in the Black Hills Forest Reserve : an account of results of special investigations, with recommendations for preventing losses

Creator:

Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology

Resource Type:

Technical Report

Full Text:

. 32, NEW SERIES. L. 0. HOWARD, Entomologist. INSECT ENEMIES OF THE PINE IN THE BLACK HILLS FOREST