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- Object[377]
- yes[377]
- no[377]
- american[377]
- bainbridge (pennsylvania)[6]
- chickies[20]
- forge island[19]
- lancaster county (pennsylvania)[377]
- locust grove[56]
- marietta (pennsylvania)[1]
- moores island[3]
- new holland[3]
- northampton county[5]
- pennsylvania[377]
- rock retreat[2]
- susquehanna river[1]
- united states of america[377]
- witmer's farm[118]
- york county (pennsylvania)[3]
- argillaceous material[42]
- argillite[29]
- chalcedony[9]
- chert[27]
- flint[4]
- jasper[5]
- mica schist[1]
- quartz[128]
- quartzite[64]
- rhyolite[59]
- schist[1]
- shale[7]
- slate[2]
- stone[1]
- chipped[377]
1 - 30 of 377 Records
1 - 30 of 377 Records