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

Eitemau Tebyg

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• Some facts about treating railroad ties
  gan: Goltra, W.F
  Cyhoeddwyd: (1912)
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  gan: Koehler, Arthur
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  gan: Scott, C.W
  Cyhoeddwyd: (1938)