Statements (16)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:cryptocurrency
|
| gptkbp:closed |
1945
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:hasHistoricSite |
yes
|
| gptkbp:hasResource |
gptkb:stone
|
| gptkbp:locatedIn |
gptkb:California
gptkb:Contra_Costa_County gptkb:Black_Diamond_Mines_Regional_Preserve |
| gptkbp:opened |
1923
|
| gptkbp:operatedBy |
gptkb:Hazel-Atlas_Glass_Company
|
| gptkbp:partOf |
Black Diamond Mines Regional Preserve tours
|
| gptkbp:touristAttraction |
yes
|
| gptkbp:usedFor |
glass production
|
| gptkbp:bfsParent |
gptkb:Black_Diamond_Mines_Regional_Preserve
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
Hazel-Atlas Mine
|