Washing characteristics of the Pittsburgh coal in a high-sulfur area in Greene County, Pa

Författare
Thomas Fraser
(Thomas Fraser, and William L. Crentz.)
Genre
Bibliografi
Språk
Engelska
Förlag År Ort Om boken ISBN
U.S. G.P.O. 1946 District of Columbia, Washington, D.C v, 85 pages, [2] folded leaves of plates illustrations, maps 24 cm.