Historic American Engineering Record
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Documentation Compiled After 1968
http://www.loc.gov/rr/print/res/
Record Contributed By
Library of CongressKeywords
- Agriculture
- Civil War
- Copper Industry
- Copper Mining
- Depressions
- Ethnic Groups
- Excavation
- Experiments
- Fires
- Immigrants
- Indians Of North America
- L Plan Buildings
- Law & Legal Affairs
- Log Buildings
- Metallurgical Industry
- Militias
- Mills
- Mine Accidents
- Mine Buildings
- Miners' Strikes
- Mining
- Office Buildings
- Prospecting
- Railroad Companies
- Shotblasting
- Smelters
- Stone Buildings (Sandstone)
- T Plan Buildings
- War (Civil War)
- War (World War I)
- Water Supply