Three Crossings to South Pass
In the night we sailed by a most notable curiosity, and one we had been hearing a good deal about for a day or two, and were suffering to see. This was what might be called a natural ice-house. It was August, now, and sweltering weather in the daytime, yet at one of the stations the men could scape the soil on the hill-side under the lee of a range of boulders, and at a depth of six inches cut out pure blocks of ice—hard, compactly frozen, and clear as crystal! (Roughing It)
"I met men at every turn who owned from one thousand to thirty thousand “feet” in undeveloped silver mines, every single foot of which they believed would shortly be worth from fifty to a thousand dollars—and as often as any other way they were men who had not twenty-five dollars in the world.