CHAPTER IV.
PROSPECTING FOR DIAMONDS, GOLD, SILVER, COPPER, LEAD AND
IRON.--Mineral Riches, how Discovered--Indications--Searching
for Diamonds, and how to Distinguish them--Paying Localities of
Gold--“Fool’s Gold”--Prospecting for Silver and Copper--Where to Look
for Lead and Iron.....81
Underground Treasures: How and Where to Find Them A Key for the Ready Determination of All the Useful Minerals Within the United States · 第 4 / 9 章