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Filtering by: Alternative title ssim Technical bulletin 106 Decade 1880-1889 Subject Forests and forestry -- United States

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

Creator:

United States. Department of Agriculture. Forestry Division

Resource Type:

Technical Report

Full Text:

DEPARTMENT OF AGRICULTURE. FORESTRY DIVISION. Bulletin No
Preliminary report on use of metal track on railways as substitute for wooden ties

Creator:

United States. Department of Agriculture. Forestry Division and Tratman, E. E. R. (Edward Ernest Russell), 1863-

Resource Type:

Technical Report

Full Text:

DEPARTlVIENT OF AGRICULTURE. FORESTRY DIVISION. BuLLETIN No