Cahokia Mounds Mississippian Culture Study Act
- Bill Number
- S. 1516
- Origin Chamber
- Senate
- Congress
- 119th Congress, Session 1
- Policy Area
- Public Lands and Natural Resources
- Status
- Introduced
- Latest Action
- 2026-02-04: Committee on Energy and Natural Resources. Ordered to be reported with an amendment in the nature of a substitute favorably.
- Last Updated
- 2026-03-24T12:48:03Z
AI-Generated Summary
Purpose
The legislation, titled the Cahokia Mounds Mississippian Culture Study Act, authorizes the Secretary of the Interior to conduct a special resource study of key archaeological sites in Illinois associated with the ancient Mississippian culture. The goal is to assess their national importance and explore options for long-term preservation and public interpretation, potentially including designation as a unit of the National Park System.
Key Provisions
- Historical Findings: The bill outlines the significance of Cahokia as a major prehistoric city (A.D. 700–1400) that was the largest urban center north of Mexico at its peak, home to 10,000–20,000 people across nearly 6 square miles. It highlights over 120 mounds built from A.D. 900–1400, the site's role in a vast trade network covering over 1.25 million square miles, and its current statuses as a National Historic Landmark, Illinois State Historic Site, and UNESCO World Heritage Site.
- Definitions:
- "Secretary" refers to the Secretary of the Interior.
- "Study Area" includes the Cahokia Mounds State Historic Site, Emerald Mounds in St. Clair County, and Pulcher Mounds in Monroe and St. Clair Counties, all in Illinois.
- Study Requirements: The Secretary must evaluate:
- The national significance of the Study Area.
- Whether it is suitable and feasible to designate it as a unit of the National Park System (a network of federally protected parks and historic sites).
- Alternative preservation, protection, and interpretation options managed by federal, state, local governments, or private/nonprofit groups.
- Costs for any federal involvement, such as land acquisition, development, interpretation (e.g., educational exhibits), and ongoing operations/maintenance.
- Consultation Process: The Secretary must consult federal agencies, state/local governments, private/nonprofit organizations, and interested individuals.
- Applicable Law and Timeline: The study follows section 100507 of title 54, U.S. Code (a federal law standardizing special resource studies for potential park additions). A report with results, conclusions, and recommendations must be submitted to the Senate Committee on Energy and Natural Resources and the House Committee on Natural Resources within 3 years of funding availability.
Significant Changes to Existing Law
This bill introduces a new authorization for a specific study under existing federal procedures for evaluating historic sites (per 54 U.S.C. § 100507). It does not amend prior laws but builds on current protections by initiating a formal process that could lead to expanded federal oversight or funding for these sites, which are already recognized as historic but not fully integrated into the National Park System.
Potential Impacts
- Government Agencies: The Department of the Interior (via the National Park Service) would lead the study, potentially increasing workload and costs for evaluation and reporting. If recommendations advance, it could result in new federal responsibilities for site management, funding, or partnerships.
- Citizens: Enhanced preservation could improve public access, education, and tourism at these sites, benefiting local communities in Illinois through economic opportunities (e.g., jobs in heritage tourism) and cultural pride. It may also raise awareness of Native American history among the general public.
- International Relations: Minimal direct impact, though reinforcing UNESCO World Heritage status could strengthen U.S. commitments to global cultural preservation efforts.
Main Stakeholders Affected
- Federal Government: Secretary of the Interior and National Park Service (conducting the study); congressional committees (reviewing the report).
- State and Local Entities: Illinois state government (current site managers) and counties (St. Clair, Monroe) involved in potential preservation alternatives.
- Indigenous Communities: Descendant tribes and First Nations (ancestors of the Mississippian people), who may provide input on cultural interpretation and protection.
- Private and Nonprofit Groups: Organizations focused on historic preservation, archaeology, or tourism, eligible for consultation and potential partnership roles.
- General Public: Visitors, educators, and historians interested in U.S. prehistoric heritage.
Notable Legal, Constitutional, or Political Implications
- Legal: The study adheres to established federal processes for park designations, ensuring compliance with environmental and historic preservation laws (e.g., National Historic Preservation Act). Outcomes could trigger further legal steps like land acquisitions, subject to eminent domain rules if private lands are involved.
- Constitutional: No direct challenges, but any future federal designation would invoke Congress's authority over public lands and interstate commerce (e.g., tourism), potentially balancing federal interests with state property rights under the 10th Amendment.
- Political: Bipartisan sponsorship (from Illinois senators) signals support for cultural heritage initiatives, which could influence future funding for National Park System expansions amid debates on federal spending and indigenous site protections. The bill emphasizes non-federal alternatives, promoting flexibility in governance.
This summary was generated by AI and may contain inaccuracies. Refer to the official source document for the authoritative text.
Sponsor
Sen. Durbin, Richard J. [D-IL]
Cosponsors (1)
Recent Actions
- 2026-02-04: Committee on Energy and Natural Resources. Ordered to be reported with an amendment in the nature of a substitute favorably.
- 2025-04-29: Read twice and referred to the Committee on Energy and Natural Resources. (text: CR S2668)
- 2025-04-29: Introduced in Senate
Bill Versions
- Cahokia Mounds Mississippian Culture Study Act — issued 2025-04-29 — PDF (5 pages)