rope winze
1Comstock Lode — Bonanza ore, Consolidated California and Virginia Mine, Comstock Lode The Comstock Lode was the first major U.S. discovery of silver ore, located under what is now Virginia City, Nevada, on the eastern slope of Mount Davidson, a peak in the… …
2Mine exploration — This article is about visiting mines. For searching for minerals, see Mineral exploration. Mine exploration is a hobby in which people visit abandoned mines, quarries, and sometimes operational mines. Enthusiasts usually engage in such activities …
