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Subject
- Cascade Range.2
- Engineering.2
- Apennines (Italy)1
- Astronomical instruments.1
- Astronomical observatories.1
- Astronomy.1
- Cascade Tunnel (Wash.)1
- Construction workers.1
- Coolidge, Calvin, 1872-1933.1
- Coolidge, Grace Goodhue, 1879-1957.1
- Cranes, derricks, etc.1
- Crosses.1
- Dams--Design and construction.1
- Engineers.1
- Forest fires.1
- Forest rangers.1
- Frederick Sound (Alaska)1
- Funeral rites and ceremonies--United States.1
- Hibbing (Minn.)--Description and travel.1
- Horses.1