18 research outputs found

    Minutes of June Meeting, 1887

    Get PDF

    Minutes of Sixth Annual Meeting

    Get PDF

    The Coal Fields of Texas

    Get PDF

    Map Construction

    Get PDF
    In order to determine upon the quality of paper, proper scale and degree of accuracy, upon which to construct a map, it is necessary to know its object or purpose. This, of a mine map, is understood to be, to enable the operator to decide upon the most advantageous and economical manner of opening and operating the mine, to illustrate its workings as they progress, and to preserve a record of the mine operations

    Mineral Land and Mine Surveying

    Get PDF

    Report of Secretary

    Get PDF

    Explosiveness of Coal Dust

    Get PDF
    corecore