Instructions for the building and maintenance of telephone lines on the national forests
Publisher: U.S. Govt. Print. Off.
Published: 1912
Place of publication: Washington
Language: eng
Number of pages: 54
Subjects: Forest reserves; Telephone lines; Telegraph lines
Notes: At head of title: U.S. Department of Agriculture, Forest Service. Henry S. Graves, Forester.

Earlier editions have title: Directions and specifications for building telephone lines on the national forests.

Cover title.

"Issued September 13, 1912."