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- Object[13]
- yes[13]
- no[13]
- american[13]
- argillite[13]
- delaware river[10]
- delaware valley[11]
- mercer county[13]
- new jersey[13]
- trenton[13]
- united states of america[13]
- bed of river[11]
- surface[1]
- argillite[13]
- chipped[13]
1 - 13 of 13 Records