The economics of strip coal mining
By: by O.E. Kiessling, F.G. Tryon and L. Mann.
Contributors: Tryon, F. G. 1892-1940 joint author.; Mann, Lida, joint author.
Series: U.S. Bureau of Mines. Economic paper 11
Publisher: U.S. Govt. Print. Off.
Published: 1931
Place of publication: Washington
Language: eng
Number of pages: 32
Subjects: Coal mines and mining -- United States.
Notes: At head of title: U.S. Department of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner, director.