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Subject
- Gold mines and mining[remove]69
- Gold discoveries19
- Mines and mineral resources7
- Mining claims6
- Coal mines and mining4
- Silver mines and mining4
- Railroads3
- Real property3
- Geology2
- Gold ores2
- History2
- Indians of North America2
- Iron mines and mining2
- Trails2
- Coal1
- Colorado1
- Copper mines and mining1
- Fire, 18961
- Fires1
- Forests and forestry1
