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- Construction workers[remove]35
- Cranes, derricks, etc.14
- Flood control channels8
- Construction7
- Building construction6
- Channels6
- Construction industry5
- Barns4
- Employment4
- Affirmative action programs2
- Bridges2
- Discrimination in employment2
- Grand River2
- History2
- Job creation2
- Labor unions2
- Lansing (Mich.)2
- Michigan Avenue2
- Minorities2
- Railroads2