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map background search result map search result map Superior & Pittsburgh Co. Hoatson Shaft Level 1200 Floor No. 11 Superior & Pittsburgh Co. Hoatson Shaft Level 1500 Floor No. 10 Superior & Pittsburgh Co. Hoatson Shaft Level 1500 Floor No. 6 Superior & Pittsburgh Co. Hoatson Shaft Level 1400 Floor No. 4 Superior & Pittsburgh Co. Hoatson Shaft Level 1400 Floor No. 7 Superior & Pittsburgh Co. Hoatson Shaft Level 1200 Floor No. 4 Superior & Pittsburgh Co. Hoatson Shaft Level 1400 Floor No. 9 Superior & Pittsburgh Co. Hoatson Shaft Level 1000 Floor No. 1 Superior & Pittsburgh Co. Hoatson Shaft Level 1400 Floor No. 3 Superior & Pittsburgh Co. Hoatson Shaft Level 1500 Floor No. 4 Superior & Pittsburgh Co. Hoatson Shaft Level 1300 Floor No. 9 Superior & Pittsburgh Co. Hoatson Shaft Level 1200 Floor No. 5 Superior & Pittsburgh Co. Hoatson Shaft Level 1200 Floor No. 8 Superior & Pittsburgh Co. Hoatson Shaft Level 1100 Floor No. 4 Hoatson Mine Superior & Pittsburgh Copper Co. Section 1 Level 1300 Superior & Pittsburgh Co. Hoatson Shaft Level 1100 Floor No. 10 Superior & Pittsburgh Co. Hoatson Shaft Level 1100 Floor No. 9 Superior & Pittsburgh Co. Hoatson Shaft Level 1300 Floor No. 8 Superior & Pittsburgh Co. Hoatson Shaft Level 1200 Floor No. 7 Superior & Pittsburgh Co. Hoatson Shaft Level 1100 Floor No. 6