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Subject
- Mines and mineral resources[remove]902
- Geology234
- Land use, Rural178
- Geochemical prospecting20
- Mining districts19
- Quarries and quarrying17
- Coal15
- Water resources development14
- Maps12
- Ore deposits12
- Cartes10
- Land use10
- Water resources management10
- Mineral industries9
- Railroads9
- Mines et ressources minières8
- Mining claims8
- Geomorphology7
- Gold mines and mining7
- River sediments7
