Summit County Colorado

Ranking first in Colorado for placer gold production and tenth for lode gold, Summit County produced an estimated minimum of 739,511 ounces from placer mines and 271,159 ounces from lode mines through 1959.

The area near the northern county line, along Route 9 you will find the Big Four Mine, which is 16 miles south of Kremmling in Grand County, area lead-zinc mines produced a by-product gold.

BRECKENRIDGE

In the Breckenridge or Blue River district, including the tipper valley of the Blue River between the Front Range on the East and the Tenmile Range on the West had a total production of 1,000,000 gold ounces of which 735,000 ounces came from placer deposits. In all regional stream channels, gulches, benches, etc. you can find placers. East and northeast of town, in area of about 5 square miles, there are many lead-silver mines that produced a by-product gold. In Georgia Gulch, on North side of Farncomb Hill, rich area placers discovered in 1859, area lode mines, discovered in 1880, especially the Wellington Mine, chief producer, it was so rich in native gold that pockets supplied collectors and museums throughout the world with specimens of wire and leaf gold. Along the Swan and Blue rivers, many deep placers worked by dredges after 1900.

FRISCO

Frisco is located 4 miles southwest of Dillon and in the Tenmile district. It includes old camps of Kokomo and Robinson in the Tenmile Valley on the West Side of the Tenmile Range and had a total production from 1861-1959, of 52,000 gold ounces, mostly as by-product of base-metal ores. Area old mine dumps contains gold, with galena and pyrite. Various local small creek placers are around like Kokomo, in McNulty Gulch, rich placers discovered in 1861, and many mines along valley of Tenmile creek for 2-3 miles northeast and 5 miles southwest to Robinson. On East Side of valley, in the Tenmile Range, on West, slopes, many base-metal mines produced lode gold.