Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:company
|
| gptkbp:ceased_operations |
1870s
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:foundedYear |
1845
|
| gptkbp:hasResource |
Copper
|
| gptkbp:historicalSignificance |
Early American copper mining
|
| gptkbp:industry |
Mining
|
| gptkbp:location |
gptkb:Michigan
|
| gptkbp:notableFor |
First successful copper mine in Michigan
|
| gptkbp:operatesIn |
gptkb:Keweenaw_Peninsula
|
| gptkbp:bfsParent |
gptkb:Cliff_Mine
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
Cliff Mining Company
|