US tracker

S. 1516

Cahokia Mounds Mississippian Culture Study Act

Energy and Natural Resources Committee · Sen. Richard Durbin (D-IL)

23 July 2026 | Reported by committee (Energy and Natural Resources, with an amendment in the nature of a substitute, without written report)

What's next: Floor scheduling (leadership decides if and when it gets a vote)

Summary: The bill would direct the Department of the Interior to study three ancient mound sites in Illinois—Cahokia Mounds, Emerald Mounds, and Pulcher Mounds—to evaluate whether they deserve designation as a National Historical Site. The study would assess the sites' national significance, determine if they're suitable for the National Park System, explore alternative preservation options, and estimate costs, with findings reported back to Congress.

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Posted 10 September 2026

As published — the exact text this tracker posted, kept verbatim for the record

S. 1516 | Cahokia Mounds Mississippian Culture Study Act | Sen. Richard Durbin (D-IL) | Energy and Natural Resources Committee 📅 23 July 2026 | 📋 Reported by committee (Energy and Natural Resources, with an amendment in the nature of a substitute, without written report) What's next: Floor scheduling (leadership decides if and when it gets a vote) Summary: The bill would direct the Department of the Interior to study three ancient mound sites in Illinois—Cahokia Mounds, Emerald Mounds, and Pulcher Mounds—to evaluate whether they deserve designation as a National Historical Site. The study would assess the sites' national significance, determine if they're suitable for the National Park System, explore alternative preservation options, and estimate costs, with findings reported back to Congress. [AI-Generated]

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