Subjects: mining
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- Mines and mineral resources -- Brazil 819 downloads
- Gold mines and mining -- Australia -- Western Australia 791 downloads
- Mineral industries -- England -- History -- To 1500 770 downloads
- Mineral industries 762 downloads
- Mines and mineral resources -- South Africa 760 downloads
- Mines and mineral resources -- Illinois 749 downloads
- Diamond mines and mining -- South Africa -- Fiction 747 downloads
- British Museum (Natural History). Department of Mineralogy 743 downloads
- Gold mines and mining -- Australia -- Fiction 727 downloads
- Iron mines and mining -- Juvenile fiction 722 downloads
- Mineral industries -- Australia -- Fiction 720 downloads
- Diamond mines and mining -- Brazil 707 downloads
- Mineral industries -- Nevada -- History 654 downloads
- Mines and mineral resources -- Nevada -- History 654 downloads
- Silver mines and mining -- Nevada -- History 637 downloads
- United States. Bureau of Mines -- Juvenile fiction 619 downloads
- Gold mines and mining -- California 616 downloads
- Coal miners -- Pennsylvania 607 downloads
- Mineral waters -- Germany -- Nassau (Duchy) 604 downloads
- Coal mines and mining -- Pennsylvania -- Fiction 586 downloads
- Mineral waters -- England -- Harrogate -- Early works to 1800 573 downloads
- United Mine Workers of America -- History 565 downloads
- Gold mines and mining -- California -- Juvenile fiction 562 downloads
- Durham Miners' Association -- History 560 downloads
- Coal miners -- Labor unions -- Great Britain -- History 560 downloads