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Show of Forestry at 'Washington has been conducting experiments along these lines for some time. OKU AT TTJOZS WASTE. The annual consumption) of ties on the 203,132 miles of railroad track in this country is 114,000,000. Every year finds it harder for the railroads to get their supply. Granite, metal and! concrete ties have been experimented with, but nowhere permanently adopted. In Europe Eu-rope the railroads have for a long time been treating their ties by various chemical processes, which have more than trebled their lives. The Bureau |