Godfrey Mine, chain clamp
A chain clamp supports a rail underground at the Godfrey Mine. The Godfrey Mine was an underground iron mine with some open pit workings in the Mesabi Range, St. Louis County, Minnesota. The Godfrey includes the former Wellington Mine and ore from several other mines hoisted through the Godfrey shaft. The Mine was opened in 1926 and operated into the 1950s by the Oliver Iron Mining Company.