Subjects: mining
- Mineral waters -- England -- Harrogate -- Early works to 1800 618 downloads
- Mineralogy -- Missouri 601 downloads
- Coal miners -- Pennsylvania 587 downloads
- Gold mines and mining -- Australia -- Fiction 587 downloads
- Diamond mines and mining -- Juvenile fiction 579 downloads
- Gold mines and mining -- Australia -- Western Australia 568 downloads
- Abandoned mines -- Juvenile fiction 518 downloads
- Gold mines and mining -- British Columbia 506 downloads
- Mineralogy, Determinative 497 downloads
- Mining camps -- Fiction 491 downloads
- Mines and mineral resources -- California, Southern 488 downloads
- Durham Miners' Association -- History 487 downloads
- Coal miners -- Labor unions -- Great Britain -- History 487 downloads
- Iron mines and mining -- Juvenile fiction 482 downloads
- Coal mines and mining 478 downloads
- United Mine Workers of America -- History 476 downloads
- Mineral industries 475 downloads
- Diamond mines and mining -- Brazil 472 downloads
- Diamond mines and mining -- South Africa -- Fiction 469 downloads
- Mines and mineral resources -- Arizona 465 downloads
- Mine pumps -- Early works to 1800 459 downloads
- Mineral industries -- Nevada -- History 456 downloads
- Mines and mineral resources -- Nevada -- History 456 downloads
- Lead mines and mining 448 downloads
- United States. Bureau of Mines -- Juvenile fiction 419 downloads
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