Holding force of railroad spikes in wooden ties
By: By W. Kendrick Hatt
Contributors: United States. Forest Service
Series: Circular / U.S. Dept. of Agriculture, Forest Service -- no. 46; Circular (United States. Forest Service) -- no. 46.
Publisher: G.P.O.
Published: 1906
Place of publication: Washington, D.C
Language: eng
Subjects: Rail fastenings; Railroad ties