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  1. Development of minimum standards for hardwoods used in producing underground coal mine timbers

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    Author(s): Floyd G. Timson
    Date: 1978
    Source: Research Note NE-261. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4 p.
    Publication Series: Research Note (RN)
    Station: Northeastern Research Station
    PDF: View PDF  (448.21 KB)

    Description

    This note presents minimum standards for raw material used in the production of sawn, split, and round timbers for the underground mining industry. The standards are based on a summary of information gathered from many mine-timber producers.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Timson, Floyd G. 1978. Development of minimum standards for hardwoods used in producing underground coal mine timbers. Research Note NE-261. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4 p.

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