Seasoning of telephone and telegraph poles
By: By Henry Grinnell ...
Contributors: United States. Forest Service
Series: Circular / U.S. Dept. of Agriculture, Forest Service -- no. 103; Circular (United States. Forest Service) -- no. 103.
Publisher: G.P.O.
Published: 1907
Place of publication: Washington, D.C
Language: eng
Number of pages: 16
Subjects: Timber; Electric lines; Poles and towers