Subjects: mining
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- Mines and mineral resources -- Brazil 803 downloads
- Gold mines and mining -- Australia -- Fiction 788 downloads
- British Museum (Natural History). Department of Mineralogy 782 downloads
- Mines and mineral resources -- Illinois 768 downloads
- Mineral industries -- Australia -- Fiction 767 downloads
- Gold mines and mining -- Australia -- Western Australia 761 downloads
- Mineral industries 757 downloads
- Mines and mineral resources -- South Africa 716 downloads
- Diamond mines and mining -- South Africa -- Fiction 715 downloads
- Iron mines and mining -- Juvenile fiction 703 downloads
- Diamond mines and mining -- Brazil 679 downloads
- Mineral industries -- England -- History -- To 1500 677 downloads
- United States. Bureau of Mines -- Juvenile fiction 650 downloads
- United Mine Workers of America -- History 627 downloads
- Coal mines and mining -- Pennsylvania -- Fiction 615 downloads
- Mineral industries -- Nevada -- History 611 downloads
- Mines and mineral resources -- Nevada -- History 611 downloads
- Silver mines and mining -- Nevada -- History 609 downloads
- Coal miners -- Pennsylvania 607 downloads
- Coal miners -- Labor unions -- Great Britain -- History 606 downloads
- Durham Miners' Association -- History 606 downloads
- Gold mines and mining -- California -- Juvenile fiction 583 downloads
- Mines (Military explosives) -- Juvenile fiction 578 downloads
- Gold mines and mining -- California 569 downloads
- Mineral waters -- Germany -- Nassau (Duchy) 561 downloads