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- Object[51]
- no[51]
- american[50]
- near eastern[1]
- bainbridge (pennsylvania)[1]
- brown county (ohio)[1]
- chickies[1]
- delaware county (pennsylvania)[3]
- eastern united states[3]
- gloucester county[1]
- hajji firuz[1]
- haldeman's island[1]
- indiana[1]
- iran[1]
- kansas[1]
- lancaster county (pennsylvania)[2]
- markham[3]
- mississippi[1]
- montgomery county (pennsylvania)[1]
- new jersey[4]
- new mexico[1]
- new york[1]
- north america[1]
- northeast[1]
- ohio[5]
- pennsylvania[33]
- philadelphia[1]
- philadelphia county[1]
- plymouth meeting[1]
- san jose river region[1]
- south dakota[1]
- susquehanna river[3]
- united states of america[44]
- washington pond[1]
- white clay creek[1]
- wyandot[1]
- argillite[1]
- basalt[1]
- granite[4]
- greenstone[1]
- pebble[1]
- quartzite[1]
- river stone[4]
- sandstone[4]
- stone[34]
- actual citation[11]
1 - 32 of 51 Records
1 - 32 of 51 Records