Milling Methods at the Concentrator of the Walker Mining Co., Walkermine, Calif
Auteur : M. R. McKenzie, Hugh Kenneth Lancaster
Date de publication : 1932
Éditeur : U.S. Department of Commerce, Bureau of Mines
Nombre de pages : 11
Résumé du livre
This paper describing the milling methods at the Walkermine concentrator, Plumas County, Calif., is one of a series being prepared by the United States Bureau of Mines on milling methods and costs in the various mining districts throughout the United States