Cahokia Mounds Mississippian Culture Study Act

Summary

Cahokia Mounds Mississippian Culture Study Act This bill directs the Department of the Interior to conduct a special resource study of an area made up of (1) Cahokia Mounds State Historic Site in Collinsville, IL; (2) the Emerald Mounds in St. Clair County, Illinois; and (3) the Pulcher Mounds in Monroe and St. Clair Counties, Illinois. (The National Park Service uses special resource studies when determining whether to designate sites as National Historical Sites.) The study must evaluate the national significance of the study area; determine the suitability and feasibility of designating the study area as a unit of the National Park System; consider other alternatives for preservation, protection, and interpretation of the study area by other governmental entities or nonprofit organizations; and identify cost estimates for any federal acquisition, development, interpretation, operation, and maintenance associated with such alternatives. Interior must report on the results of the study and make recommendations to specified congressional committees.

Summary from the Congressional Research Service. How we handle summaries

Where it stands

Out of committee and scheduled for a vote by the full chamber.

Senate Committee on Energy and Natural Resources · U.S. Senate

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Cosponsors

Full history

1. Jul 23, 2026

   Reported out of committee

   Committee on Energy and Natural Resources. Reported by Senator Lee with an amendment in the nature of a substitute. Without written report.

2. Jul 23, 2026

   Reported out of committee

   Committee on Energy and Natural Resources. Reported by Senator Lee with an amendment in the nature of a substitute. Without written report.

3. Jul 23, 2026

   Reported out of committee

   Committee on Energy and Natural Resources. Reported by Senator Lee with an amendment in the nature of a substitute. Without written report.

4. Jul 23, 2026

   Introduced

   Placed on Senate Legislative Calendar under General Orders. Calendar No. 478.

   U.S. Senate

5. Jul 23, 2026

   Placed on Senate Legislative Calendar Under General Orders. Calendar No. 478.

   Placed on Senate Legislative Calendar under General Orders. Calendar No. 478.

   U.S. Senate

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