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Mineral Industries -- ... (6)
Belle Eldridge Mines (... (2)
Rusty Shaft Mine (S.d) (1)

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1. Assay Plan, Belle Eldridge Gold Mines, Inc., Deadwood, S. Dak. Assay Plan, Belle Eldridge Gold Mines, Inc., Deadwood, S. Dak. Mineral Industries -- Black Hills (S.D. and Wyo); Good information on values found and market price of gold, silver, lead, zinc; Deadwood; T5N, R3E, Sec 25

2. Assay Plan. Belle Eldridge Gold Mines, Lead-Zind Division Assay Plan. Belle Eldridge Gold Mines, Lead-Zind Division Mineral Industries -- Black Hills (S.D. and Wyo); Revised 8/2/1947, 8/20/1947 - Good list of assay values found; Deadwood; T5N, R3E, Sec 25

3. 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

4. Plan of workings, Belle Eldridge Gold Mines, Deadwood, S. Dak. Plan of workings, Belle Eldridge Gold Mines, Deadwood, S. Dak. Mineral Industries -- Black Hills (S.D. and Wyo); Belle Eldridge Mines (S.D.); Revised 2/13/1951; Deadwood; T5N, R3E, Sec 25

5. Assay Plan Belle Eldridge Gold Mines, Inc., Deadwood, S. Dak. Assay Plan Belle Eldridge Gold Mines, Inc., Deadwood, S. Dak. Mineral Industries -- Black Hills (S.D. and Wyo); Belle Eldridge Mines (S.D.); Good ore values and market values as of June '45; T5N, R3E, Sec 25

6. 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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