Methods of mine-timbering.
Edition: (2d ed.) By W.H. Storms ...
Series: California state mining bureau. Bulletin -- no. 2, 2d ed.; Bulletin (California. Division of Mines and Geology) -- 2.
Publisher: A.J. Johnston, superintendent state printing
Published: 1901
Place of publication: Sacramento
Language: eng
Number of pages: 71
Subjects: Mine timbering