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119-s-1516119th Congress

Cahokia Mounds Mississippian Culture Study Act

Sponsored By: Senator Durbin, Richard J. [D-IL]

In Committee

Summary

This bill would authorize the Secretary of the Interior to conduct a special resource study to decide whether the Cahokia Mounds and two nearby Illinois mound sites should join the National Park System. The study would evaluate national significance, consider preservation and interpretation alternatives, consult Indian Tribes and other stakeholders, identify federal acquisition and operating cost estimates, and deliver a report within three years after funds are first made available.

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  • Indian Tribes and local stakeholders would be consulted and could shape how the sites are preserved and interpreted.
  • Federal, State, and local governments would get a formal assessment and cost estimates to weigh options, including possible National Park designation.
  • Preservation groups and nearby communities would receive concrete alternatives for protection and interpretation that could proceed through public or private efforts.

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Bill Overview

Analyzed Economic Effects

1 provisions identified: 1 benefits, 0 costs, 0 mixed.

Study to Protect Cahokia Mounds

If enacted, the Secretary of the Interior would do a special resource study of three Illinois sites. Those sites are Cahokia Mounds State Historic Site, Emerald Mounds, and Pulcher Mounds. The study would evaluate national significance and whether the area should become a National Park System unit. It would list preservation, protection, and interpretation options. It would estimate federal costs for acquisition, development, operation, and maintenance. The Secretary would consult with federal, state, and local governments, applicable Indian Tribes, nonprofit groups, and other interested people. The Secretary would submit a report to Congress. The report would go to the Senate Committee on Energy and Natural Resources and the House Committee on Natural Resources. The report would be due within three years after funds are first made available. Any spending would depend on Congress approving the money.

Sponsors & CoSponsors

Sponsor

Durbin, Richard J. [D-IL]

IL • D

Cosponsors

  • Sen. Duckworth, Tammy [D-IL]

    IL • D

    Sponsored 4/29/2025

Roll Call Votes

No roll call votes available for this bill.

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