Subjects: mining (sorted by popularity)
- Miners' phthisis 177 downloads
- Coal miners -- Diseases 177 downloads
- Miners -- Diseases 177 downloads
- Copper mines and mining -- Juvenile fiction 174 downloads
- Mineralogy, Determinative 172 downloads
- Mining machinery -- History 171 downloads
- Mine pumps -- History 171 downloads
- Gold mines and mining -- Yukon -- Fiction 169 downloads
- Mines (Military explosives) -- Juvenile fiction 168 downloads
- Gold mines and mining -- Russia (Federation) -- Siberia 164 downloads
- Mineral industries -- Australia -- Fiction 160 downloads
- Diamond mines and mining -- South Africa -- Fiction 156 downloads
- Mineral resources conservation -- United States 153 downloads
- Mine hoisting 153 downloads
- Coal mines and mining -- Belgium -- Liège (Province) 149 downloads
- Diamond mines and mining -- South Africa 149 downloads
- Miners -- Poetry 149 downloads
- Gold miners -- Australia -- Ballarat (Vic.) -- Social conditions -- 19th century 143 downloads
- Coal mines and mining -- Pennsylvania -- Fiction 143 downloads
- Tin mines and mining -- Nigeria 143 downloads
- Coal miners -- England -- Juvenile fiction 143 downloads
- Coal mines and mining -- Great Britain -- Juvenile fiction 143 downloads
- Gold mines and mining -- Australia -- Ballarat (Vic.) -- History -- 19th century 143 downloads
- Emerald mines and mining -- Juvenile fiction 141 downloads
- Submarine mines -- Handbooks, manuals, etc. 139 downloads
