By A. H. KOSCHMANN and M. H. BERGENDAHL - USGS 1968
More than 75 percent of the gold mined in the United States has come from five Western States: California, Colorado, South Dakota, Alaska, and Nevada (fig. 1).
FIGURE 1. Gold production of the United States 1799 through 1965.
A total of 508 mining districts have each produced at least 10,000 ounces of gold, and many more districts have had a smaller output. Of the principal districts, 269 have produced between 10,000 and 100,000 ounces, 191 have produced between 100,000 and 1 million ounces, and 48 have produced more than 1 million ounces. Four districts, Lead, S. Dak., Cripple Creek, Colo., Grass Valley-Nevada City, Calif., and Bingham, Utah, listed according to rank, have each produced more than 10 million ounces and Lead has produced more than 20 million ounces. The 508 principal districts are distributed among the States as follows:
Page 1 of 3