Report on substitution of metal for wood in railroad ties; together with discussion of practicable economies in use of wood for railway purposes
Contributors: Fernow, B. E. 1851-1923.; Tratman, E. E. R. b. 1863.
Series: Forest Service Bull. No. 4
Publisher: U.S. G.P.O.
Published: 1890
Place of publication: [Washington, D.C.]
Format: Microform
Subjects: Metals.