. 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 . )orus epileucus, Vaillantii, FrPolyporus subacidus, Pk. Polyporus medullapanis, Fr. Polyporus pincola, abietinus, borealis, Fr. Keport of Forestry Division, Department of Photomicrograph by P. H. Dudley. Bell Washington, 401. Lakix Americana, Michaux ; Tamarack. Tangent

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. 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 . )orus epileucus, Vaillantii, FrPolyporus subacidus, Pk. Polyporus medullapanis, Fr. Polyporus pincola, abietinus, borealis, Fr. Keport of Forestry Division, Department of Photomicrograph by P. H. Dudley. Bell Washington, 401. Lakix Americana, Michaux ; Tamarack. Tangential Section x 100 Diameters. Report of Forestry Division, Department of Agriculture.

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Keywords: ., boo, bookcentury1800, booksubjectforestsandforestry, bookyear1887