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| Contracting out -- Oklahoma (1) |
| Letting of contracts -- Oklahoma (1) |
| Oklahoma. Department of Transportation -- Appropriations and expenditures (1) |
| Road construction contracts -- Oklahoma (1) |
| Contracting out -- Oklahoma (1) |
| Letting of contracts -- Oklahoma (1) |
| Oklahoma. Department of Transportation -- Appropriations and expenditures (1) |
| Road construction contracts -- Oklahoma (1) |