A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Construction and maintenance of rail haulage roads in coal mines
Recommendations on road bed and track construction covering materials, specifications, installation, inspection and maintenance; standards for frogs, switches and turnouts for 20 to 60 lb rail as accepted by American Standards Association standards for heavy track turnouts, -- 70 to 100 lb rail.
Construction and maintenance of rail haulage roads in coal mines
Recommendations on road bed and track construction covering materials, specifications, installation, inspection and maintenance; standards for frogs, switches and turnouts for 20 to 60 lb rail as accepted by American Standards Association standards for heavy track turnouts, -- 70 to 100 lb rail.
Construction and maintenance of rail haulage roads in coal mines
Am Min Congress -- Coal Div -- Standard
1957
72 pages
Article (Journal)
English
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