(2932) International Salt Mines, Detroit, 1971

300 feet below street level, a worker supervises the conveyor belt as it carries chunks of rock salt towards the surface from the International Salt Mine, Detroit, Michigan.

(2932) International Salt Mines, Detroit, 1971
Date: 
1971-01-14
Physdesc: 
Photograph
Photographer: 
Tony Spina
PhotoID: 
2932