00663cam a22001811 4500 gs 16000124 DLC 20260227111319.0 771116s1855 enkabef 00010 eng c gs 16000124 ocl73363120 Library, U.S. Geol. Survey 425 gG86 CtY Greenwell, George Clementson, 1821-1900. A practical treatise on mine engineering. By G. C. Greenwell ... Newcastle-upon-Tyne, M. & M. W. Lambert, 1855. 3 p. l., 204 p. double col. front., illus., 61 col. pl. (part double, incl. maps, plans, diagrs.) 31 x 27 cm. Mining engineering. 25638 25638