Alternative names (2)
minedSince • miningBeganRandom triples
| Subject | Object |
|---|---|
| gptkb:Great_Copper_Mountain | 10th century |
| gptkb:Altenberg_mining_region | 15th century |
| gptkb:Katanga_Copperbelt | early 20th century |
| gptkb:Yule_Marble | 1905 |
| gptkb:Jinguashi_mining_area | 1890s |
| gptkb:Carajás | 1985 |
| gptkb:Andamooka_Opal_Matrix | 1930s |
| gptkb:Ruby_field | ancient times |
| gptkb:Portsoy_marble | 18th century |
| gptkb:Kennecott_Mines_National_Historic_Landmark | 1911 |
| gptkb:Picher_mining_district | 1900s |
| gptkb:Burmese_amber | at least 100 AD |
| gptkb:Pittsburgh_coal_seam | late 18th century |
| gptkb:Fairmont_coalfield | mid-19th century |
| gptkb:Allmannajuvet | 1881 |
| gptkb:Appalachian_coal_fields | 18th century |
| gptkb:Lead_Belt_region | early 18th century |
| gptkb:Sri_Lankan_sapphires | ancient times |
| gptkb:Keweenaw_Peninsula_Copper_Mining_District | mid-19th century (industrial era) |
| gptkb:Kantishna_mining_district | 1905 |