Motor trucks move more than 70 per cent of 150,000,000 tons of feldspar produced annually in Spruce Pine district, all or part of way from mines to local grinding plants or to rail lines; as state highways were improved small motor trucks began to replace horse-drawn wagons for longer hauls; trucks also used to some extent in handling surface mining operations. See Engineering Index 1928, p. 1247.
Motor-truck haulage of feldspar at North Carolina mines
Los camiones al servicio de las minas
Ingenieria Internacional ; 17 , n 5
1929
2 pages
4 Figs.
Article (Journal)
English
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Motor-truck haulage of feldspar at North Carolina mines
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