COMPANY SOLE SELLING AGENTS 239 WEST 39th STREET, NEW YORK 19IO Copyright, 1910, BY The Engineering...and Mining Journal , Hill Publishing Company New 7 orb, V. S. A. IHt litTIY CENTER LIBRARY CONTRIBUTORS...Aguirre-Acha, J. Cary, W. P. Consul-General of Bolivia, New York. Mining Engineer, Butte, Mont. Tin Mining...Mining in Bolivia. Coal Alining in Montana. Gold in Montana. Ainsworth, Samuel Colcord, F. F. Lyons, Kan...in Kansas. Atkinson, T. Assistant Manager, Co., New York. State Engineer and Ex-officio Mine Inspector |