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Subject
- Topical Subject: IGS Annual Reports8
- Topical Subject: Clay4
- Topical Subject: Clay industries4
- Geographic Subject: Parke County (Ind.)2
- Topical Subject: Limestone industry2
- Topical Subject: Shale2
- Topical Subject: Stone-cutting2
- Geographic Subject: Bedford (Ind.)1
- Geographic Subject: Bloomington (Ind.)1
- Geographic Subject: Brazil (Ind.)1
- Geographic Subject: Dubois County (Ind.)1
- Geographic Subject: Gibson County (Ind.)1
- Geographic Subject: Huntingburg Region (Ind.)1
- Geographic Subject: Indiana1
- Geographic Subject: Lawrence County (Ind.)1
- Geographic Subject: Mecca Region (Ind.)1
- Geographic Subject: Montezuma (Ind.)1
- Geographic Subject: Princeton Region (Ind.)1
- Geographic Subject: Vermillion County (Ind.)1
- Topical Subject: Abandoned quarries1