On the dying oak trees on Long Island, New York
By: A. D. Hopkins
Contributors: United States. Bureau of Entomology; United States. Bureau of Entomology and Plant Quarantine
Series: Forest entomology brief -- I; Forest entomology brief -- I.
Publisher: U.S. Dept. of Agriculture, Bureau of Entomology
Published: 1916
Place of publication: Washington, D.C
Language: eng
Subjects: Oak; Diseases and pests
Notes: "E-72."

"June 20, 1916."