|
gptkbp:instanceOf
|
gptkb:cryptocurrency
|
|
gptkbp:abandoned
|
yes
|
|
gptkbp:activePeriod
|
early 20th century
|
|
gptkbp:alsoKnownAs
|
Tri-State mining district
|
|
gptkbp:centeredIn
|
gptkb:Picher,_Oklahoma
|
|
gptkbp:declinedAfter
|
1960s
|
|
gptkbp:environmentalImpact
|
lead contamination
chat piles
|
|
gptkbp:EPAInvolvement
|
gptkb:Tar_Creek_Superfund_site
|
|
gptkbp:hasResource
|
gptkb:lead
copper
iron
silver
zinc
cadmium
|
|
gptkbp:historicalSignificance
|
major source of lead for World War I and II
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Picher mining district
|
|
gptkbp:locatedIn
|
gptkb:United_States
gptkb:Ottawa_County,_Oklahoma
|
|
gptkbp:majorCity
|
gptkb:Cardin
gptkb:Picher
Commerce
|
|
gptkbp:miningEnded
|
1967
|
|
gptkbp:miningStarted
|
1900s
|
|
gptkbp:namedAfter
|
gptkb:Picher,_Oklahoma
|
|
gptkbp:notableFor
|
lead and zinc mining
|
|
gptkbp:partOf
|
Tri-State mining district
|
|
gptkbp:populationDecline
|
yes
|
|
gptkbp:significantEvent
|
evacuation due to contamination
|
|
gptkbp:SuperfundSite
|
yes
|
|
gptkbp:bfsParent
|
gptkb:Tar_Creek_Superfund_cleanup
|
|
gptkbp:bfsLayer
|
8
|