Report on the relation of railroads to forest supplies and forestry: together with appendices on the structure of some timber ties, their behavior, and the cause of their decay in the road-bed; on wood preservation; on metal ties; and on the use of spark arresters

Washington, 1887.

634.9 UN3B NO.1

149 p. : 19 pls., 2 figs. ; octavo.

Relation of railroads to forest supplies and forestry

U.S. Forest Service. Bulletin 1. p.11-30

Kern, Maximilian G.

U.S. Forest Service, Washington, 1887.

634.9 UN3B NO.1

20 p. ;