National Geographic : 1932 Jul
Photograph courtesy oftheColorado Association LEADVILLE WAS COLORADO'S MOST SPECTACULAR TREASURE CHEST For eighteen years after the gold rush of '59 there was only slight mining activity at the site of Leadville. Then itwas found that virtually thewhole area was extremely rich in carbonate of lead carrying a heavy content of silver. Later gold, too, was discovered. The town boomed and by188o was the second city of Colorado. To-day shafts and tunnels extend under the city streets and mine dumps rise inback yards. Since thebeginning ofits mining activities, Leadville has produced gold, silver, lead, and a half dozen other minerals of a total value between three-fourths ofabillion and abillion dollars. During its hectic boom days it was one of the most famous mining camps in the world.