Tree repair
By: G. Jay Gogue and Edwin F. Steffek.
Contributors: Steffek, Edwin Francis, joint author.
Series: Ecological services bulletin ;; no. 3
Publisher: U.S. Dept. of the Interior, National Park Service : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1975
Place of publication: Washington
Language: eng
Subjects: Trees, Care of.; Pruning.; Trees -- Wounds and injuries.
Notes: "NPS 138."