Waubonsee Community College
Coal mines and mining -- Pennsylvania
Type
http://bibfra.me/vocab/lite/Concept
Label
Coal mines and mining -- Pennsylvania
Name
Coal mines and mining
Focus
Coal mines and mining
Sub focus
Pennsylvania
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Subject of
1
Bootleg coal, by Westbrook Van Voorhis
Outgoing Resources
Focus
1
Coal mines and mining
Sub focus
1
Pennsylvania
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