Subjects: mining (sorted by popularity)
- Coal mines and mining 85 downloads
- Gold miners -- Canada, Western -- Fiction 82 downloads
- Mining camps -- California -- History 80 downloads
- Mines and mineral resources -- South Africa 79 downloads
- Tarbell, Ida M. (Ida Minerva), 1857-1944 79 downloads
- Gold mines and mining -- Australia -- Western Australia 76 downloads
- Gold mines and mining -- Russia (Federation) -- Siberia 75 downloads
- Mineral waters -- Germany -- Nassau (Duchy) 72 downloads
- Coal mine accidents -- Juvenile fiction 72 downloads
- Diamond mines and mining -- South Africa 68 downloads
- Gold mines and mining -- Australia -- Victoria 68 downloads
- Iron mines and mining -- Juvenile fiction 66 downloads
- Gold mines and mining -- California -- Juvenile fiction 62 downloads
- Mines (Military explosives) 62 downloads
- Gold mines and mining -- Australia -- Croydon (Qld.) 61 downloads
- Mines and mineral resources -- Ontario 60 downloads
- Mining camps -- Juvenile fiction 60 downloads
- Mines (Military explosives) -- Juvenile fiction 60 downloads
- Coal mines and mining -- Drama 57 downloads
- United Mine Workers of America -- History 57 downloads
- Silver mines and mining -- Nevada -- History 56 downloads
- Coal mines and mining -- Safety measures -- Juvenile fiction 54 downloads
- Mining claims -- Juvenile fiction 53 downloads
- Gold miners -- Australia -- Ballarat (Vic.) -- Social conditions -- 19th century 53 downloads
- Gold mines and mining -- Australia -- Ballarat (Vic.) -- History -- 19th century 53 downloads