Published by Engineering & Mining Journal, 1936
Language: English
Seller: Dorley House Books, Inc., Hagerstown, MD, U.S.A.
Hardcover. Condition: Very Good. No Jacket. B/W Photos; Graphs, Charts, Etc (illustrator). blue c w/gilt titles; lite wear at extremities; owner's names; 160 clean, unmarked pages. Selections from the Engineering & Mining Journal on profitable mine management.