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Mineral Industries -- ... (3)
Rusty Shaft Mine (S.d) (1)

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1. Assay Map of 60' level Rusty Shaft, Black Hills Tin Co., Tinton, S. D. Assay Map of 60' level Rusty Shaft, Black Hills Tin Co., Tinton, S. D. Mineral Industries -- Black Hills (S.D. and Wyo); Revised 3/1/1939; T52N, R01E, Sec 30
2. Plan of underground workings, Volney No. 1, Tinton, S. Dak., owned by Black Hills Tin Company Plan of underground workings, Volney No. 1, Tinton, S. Dak., owned by Black Hills Tin Company Mineral Industries -- Black Hills (S.D. and Wyo); Note: the underground workings outlined by the dashed lines have an average clearance of 6 1/2 ft. between floor & ceiling. All workings are in the same level.; Tinton; T52N, R01E, Sec 30
3. Plan of 60' level workings, Rusty Shaft, Black Hills Tin Co., Tinton, S.D. Plan of 60' level workings, Rusty Shaft, Black Hills Tin Co., Tinton, S.D. Mineral Industries -- Black Hills (S.D. and Wyo); Rusty Shaft Mine (S.D.); Aprox coordinates N. 44 22' 30"", W. 104 03' 00""
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