S1516-119

Reported

Cahokia Mounds Mississippian Culture Study Act

119th Congress Introduced Apr 29, 2025

Summary

What This Bill Does

Requires Interior to conduct a special resource study of the Cahokia Mounds Mississippian Culture study area, evaluating national significance, suitability and feasibility for National Park System designation, preservation alternatives, consultation with governments and organizations, cost estimates, and a report to Congress within three years after funds are made available.

Who Benefits and How

Cahokia Mounds preservation advocates benefit from a federal study of national significance and protection options. Tribal and descendant communities benefit from consultation around Mississippian cultural resources. Illinois and local governments benefit from evaluation of park designation or other preservation alternatives. Heritage tourism stakeholders benefit if the study supports interpretation and visitor planning.

Who Bears the Burden and How

Interior study staff must evaluate significance, suitability, feasibility, alternatives, consultation input, and costs. Federal, state, and local agencies must provide information for the study. Private and nonprofit preservation organizations must participate in consultation. Congress must review the report and any recommendations before further designation action.

Key Provisions

  • Requires a special resource study of the Cahokia Mounds Mississippian Culture study area.
  • Requires evaluation of national significance and National Park System suitability and feasibility.
  • Directs consideration of preservation, protection, and interpretation alternatives.
  • Requires consultation with governments, organizations, and interested individuals.
  • Requires a report to Congress within three years after study funds are first available.

Evidence Chain:

This summary is generated from the full bill text using AI analysis. Expand "Detailed Analysis" below for identified beneficiaries/burden bearers with clause-level evidence links.

At a Glance

What This Bill Does

Requires Interior to conduct a special resource study of the Cahokia Mounds Mississippian Culture study area, evaluating national significance, suitability and feasibility for National Park System designation, preservation alternatives, consultation with governments and organizations, cost estimates, and a report to Congress within three years after funds are made available.

Key Policy Areas

National Parks, Historic Preservation, Illinois

Primary Purpose

Requires Interior to conduct a special resource study of the Cahokia Mounds Mississippian Culture study area, evaluating national significance, suitability and feasibility for National Park System designation, preservation alternatives, consultation with governments and organizations, cost estimates, and a report to Congress within three years after funds are made available.

Policy Domains

National Parks Historic Preservation Illinois

House resolution provisions

Identified Gains
  • Cahokia Mounds preservation advocates benefit from a federal study of national significance and protection options
  • Tribal and descendant communities benefit from consultation around Mississippian cultural resources
  • Illinois and local governments benefit from evaluation of park designation or other preservation alternatives
  • Heritage tourism stakeholders benefit if the study supports interpretation and visitor planning
Model: codex-gpt-5 | Version: bill_summary_v2 | Source: is
Heritage tourism stakeholders benefit if the study supports interpretation and visitor planning:
Tribal and descendant communities benefit from consultation around Mississippian cultural resources:
Illinois and local governments benefit from evaluation of park designation or other preservation alternatives:
Cahokia Mounds preservation advocates benefit from a federal study of national significance and protection options:
Identified Costs
  • Interior study staff must evaluate significance, suitability, feasibility, alternatives, consultation input, and costs
  • Federal, state, and local agencies must provide information for the study
  • Private and nonprofit preservation organizations must participate in consultation
  • Congress must review the report and any recommendations before further designation action
Model: codex-gpt-5 | Version: bill_summary_v2 | Source: is
Federal, state, and local agencies must provide information for the study:
Private and nonprofit preservation organizations must participate in consultation:
Congress must review the report and any recommendations before further designation action:
Interior study staff must evaluate significance, suitability, feasibility, alternatives, consultation input, and costs:

Legislative Progress

Reported
Introduced Committee Passed
Feb 4, 2026

Committee on Energy and Natural Resources. Ordered to be reported …

Apr 29, 2025

Mr. Durbin (for himself and Ms. Duckworth) introduced the following …

Apr 29, 2025

Read twice and referred to the Committee on Energy and …

Apr 29, 2025

Introduced in Senate

Stakeholder Effects

cui bono?

How this legislation distributes effects. Mention counts reflect frequency, not effect magnitude.

Historic Preservation
1 mention across 1 clause
+1 positive

Cahokia Mounds preservation advocates

Tribal Nations
1 mention across 1 clause
+1 positive

Tribal descendant communities

Tourism
1 mention across 1 clause
+1 positive

Illinois heritage tourism stakeholders

General Public
1 mention across 1 clause
-1 negative

Interior study staff

Government
1 mention across 1 clause
-1 negative

Congressional natural resources committees

1/4
sections analyzed
Full impact breakdown

Bill Structure & Actor Mappings

Who is "The Secretary" in each section?

Domains
National Parks Historic Preservation Illinois

We use a combination of our own taxonomy and classification in addition to large language models to assess meaning and potential beneficiaries. High confidence means strong textual evidence. Always verify with the original bill text.

Learn more about our methodology