Mine: Detroit Salt Mine, Detroit, MI

Began → Detroit Salt Mine → Continuing

From: 1910

Owned by: Detroit Salt and Manufacturing Co., later Detroit Salt Company LLC. Bought by Kissner Group of Canada in 2010.

Produced: Rock salt.

Method: Mine shaft to 1,100 feet level.

Railroad connection: Wabash, Michigan Central

Until: Closed in 1983 and reopened in 1998.

Lifetime Production: 

1,500 acres underground.

Initially used for leather and food industries. Now deicing road salt.

Two shafts. One for hauling workers and materials, other for salt product.