Note 8 — Chapter VIII
Reading edition
The mineral output for a recent year when there was little activity was placed at the following figures:
Kilograms Value in pounds sterling
Gold 1,078 145,205
Silver 170,804 580,000
Copper 9,496,583 477,000
Lead, chiefly in argentiferous minerals 1,302,365 5,141
The production of borax was 2,466 tons; crude petroleum, 25,440 tons, and its by-products 11,639 tons.