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- United States. Clean Water Act. Section 40427
- Water quality managementUnited States27
- Indians of North America--United States13
- Indians of North America--Oklahoma7
- Constituents' communication with members of the U.S. Congress4
- Indians of North America--Claims4
- Flood control--Uniited States2
- Housing policy--United States2
- Water resources development--United States2
- Campaign management--United States1
- Cherokee Indians1
- Education, Higher--United States1
- Sac & Fox Nation, Oklahoma.1
