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Subject
- Geographic Subject: Hoosier National Forest (Ind.)1
- Geographic Subject: Indiana67
- Geographic Subject: Lincoln Hills Resource Conservation and Development Project Area (Ind.)1
- Topical Subject: Administrative and political divisions3
- Topical Subject: Agricultural resources2
- Topical Subject: Air travel1
- Topical Subject: Airways1
- Topical Subject: Business enterprises--Employees1
- Topical Subject: Cattle--Geographical distribution1
- Topical Subject: Ceramic industries1
- Topical Subject: Chemical workers1
- Topical Subject: Cities and towns3
- Topical Subject: City dwellers2
- Topical Subject: Coal mines and mining1
- Topical Subject: Corn--Geographical distribution1
- Topical Subject: Counties3
- Topical Subject: Drainage1
- Topical Subject: Drift1
- Topical Subject: Education, higher1
- Topical Subject: Electric machinery industry--Employees1