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

Wedi'i Gadw mewn:
Manylion Llyfryddiaeth
Prif Awdur: Unknown
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Washington, government printing 2023
Mynediad Ar-lein:https://frirepo.bestbookbuddies.com/handle/123456789/2578
Tagiau: Ychwanegu Tag
Dim Tagiau, Byddwch y cyntaf i dagio'r cofnod hwn!
Disgrifiad
Mae'n ddrwg gennym, ni ellir dod o hyd i unrhyw awgrymiadau