Keeley-Frontier Mine is a large abandoned mine in the ghost town

Ghost town

A ghost town is an abandoned town or city. A town often becomes a ghost town because the economic activity that supported it has failed, or due to natural or human-caused disasters such as floods, government actions, uncontrolled lawlessness, war, or nuclear disasters...

 of Silver Centre

Silver Centre, Ontario

Silver Centre is a ghost town in Timiskaming District, Northeastern Ontario, Canada, situated in South Lorrain Township. It is located approximately south of North Cobalt, and west of Highway 567. Silver Centre was a secondary camp to the great silver fields of Cobalt, discovered in 1903. There...

, Northeastern Ontario

Northeastern Ontario

Northeastern Ontario is the region within the Canadian province of Ontario which lies north and east of Lakes Superior and Huron.Northeastern Ontario consists of the districts of Algoma, Sudbury, Cochrane, Timiskaming, Nipissing and Manitoulin; and the single-tier municipality of Greater...

, Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

. It consists of two underground mines that were sunk below the surface. Keeley Mine was discovered in 1907 while Frontier Mine was constructed in 1921. The sixth level of Keeley Mine connected with Frontier Mine in 1962, creating the two compartment Keeley-Frontier Mine. In 1965, Keeley-Frontier Mine closed with a total production of 19000000 oz (538,640,937 g) of silver

Silver

Silver is a metallic chemical element with the chemical symbol Ag and atomic number 47. A soft, white, lustrous transition metal, it has the highest electrical conductivity of any element and the highest thermal conductivity of any metal...

, 3300000 lb (1,496,854.8 kg) of cobalt

Cobalt

Cobalt is a chemical element with symbol Co and atomic number 27. It is found naturally only in chemically combined form. The free element, produced by reductive smelting, is a hard, lustrous, silver-gray metal....

, 27000 lb (12,247 kg) of nickel

Nickel

Nickel is a chemical element with the chemical symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. Nickel belongs to the transition metals and is hard and ductile...

 and 10000 lb (4,535.9 kg) of copper

Copper

Copper is a chemical element with the symbol Cu and atomic number 29. It is a ductile metal with very high thermal and electrical conductivity. Pure copper is soft and malleable; an exposed surface has a reddish-orange tarnish...

.

Keeley-Frontier Mine is considered to have produced some of the finest silver wire specimens in Canada.