Mine sampling and valuing
Subtitle: a discussion of the methods used in sampling and valuing ore deposits, with especial reference to the work of valuation by the independent engineer
By: by C. S. Herzig, with a chapter on Sampling placer deposits by Chester Wells Purington.
Contributors: Purington, Chester Wells, b. 1871.
Publisher: Mining and Scientific Press; [etc., etc.]
Published: 1914
Place of publication: San Francisco
Language: eng
Number of pages: 163
Subjects: Mine examination; Mine valuation