Insect enemies of pine in Black Hills Forest Reserve
Subtitle: account of results of special investigations, with recommendations for preventing losses.
Contributors: Hopkins, A. D.
Series: Entomology Bur. Bull. New Series No. 32
Publisher: U.S. G.P.O.
Published: 1902
Place of publication: [Washington, D.C.]
Format: Microform
Subjects: Insects.