CHAPTER XXIX. True knowledge of the nature of silver mining came fast enough. We went out “prospecting” with Mr. Ballou. We climbed the mountain sides, and clambered among sage-brush, rocks and snow till we were ready to drop with exhaustion, but found no silver—nor yet any gold. Day after day we did this. Now and then we came upon holes burrowed a few feet into the declivities and apparently abandoned; and now and then we found one or two listless men still burrowing. But there was no appearance of silver. These holes were the beginnings of tunnels, and the purpose was to drive them hundreds of feet into the mountain, and some day tap the hidden ledge where the silver was. Some day! It seemed far enough away, and very hopeless and dreary. Day after day we toiled, and climbed and searched