LIBROS DEL AUTOR: j clark jefferson

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  • Mine Timbering
    J. Clark Jefferson
    'Mine Timbering' by J. Clark Jefferson offers a detailed exploration of timber support systems used in mining operations. Originally communicated to the Chesterfield and Derbyshire Institute of Mining, Civil, and Mechanical Engineers, this paper provides valuable insights into the methods and materials employed to ensure safety and stability in underground mines.Jefferson’s wor...
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