Principles of Mining: Valuation, Organization and Administration

CHAPTER 1.

Valuation of Copper, Gold, Lead, Silver, Tin, and Zinc Lode Mines

Determination of average metal content; sampling, assay plans, calculations of averages, percentage of errors in estimate from sampling.

CHAPTER II.

Mine Valuation (_Continued_)

Calculation of quantities of ore, and classification of ore in sight.

CHAPTER III.

M...