Sand and gravel excavation : pt. 5, Motor­truck haulage, conveyor­belt haulage, pumps and pipe lines, barges and towboats, aerial trams.

Bibliographic Details

Corporate Author:	United States. Bureau of Mines
Format:	Government Document eBook
Language:	English
Published:	[Washington] : [s.n.], 1936.
Subjects:	Mineral industries. Factories.
Online Access:	Electronic resource (PDF)