Author: HERZIG (Churles simon)

Description

DEPOSITORY HERZIG (Churles simon). Mine sampling and va1uin: a discussion of the methods used in sampling and valuing ore deposits with especial. reference to the work of va1ution by the independent exLgineer...v±th a chapter on sarnp1tn p1cer deposits by c.”. Purinton. pp. 163. Illustrtioris , dig chrt and_tables. O San Francisco &nd 1914.

Card ID: 200