United States. Dept. of the Interior. Patents and Miscellaneous Division.

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Role Title Holding Repository
Place Name Admin Code Country
United States
Oklahoma
Subject
Coal mine accidents
Coal mines and mining
Coal mines and mining
Coal-mining machinery
Mine inspection
Mineral industries
Occupation
Activity
Administering territories
Mining
Territories

Corporate Body

Active 1893

Active 1907

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SNAC ID: 23121404