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S1674119th CongressWALLET

Mammoth Cave National Park Boundary Adjustment Act of 2025

Sponsored By: Senator Sen. McConnell, Mitch [R-KY]

Introduced

Summary

Expands Mammoth Cave National Park by authorizing the federal government to acquire about 551.1 acres for inclusion in the park. It also makes the existing $350,000 payment amount adjustable for inflation using the Consumer Price Index published by the Bureau of Labor Statistics.

Show full summary
  • Local landowners: Land in Edmonson and Barren Counties, Kentucky shown on the May 2025 “Proposed Addition” map could be acquired by the Secretary of the Interior. The area identified totals about 551.1 acres.
  • Visitors and conservation: Mammoth Cave National Park would gain more protected land for recreation and habitat.
  • Sellers' payments: The bill ties the $350,000 figure to the Consumer Price Index so payment amounts would rise with inflation.

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Bill Overview

Analyzed Economic Effects

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

Tie $350,000 payment to CPI

If enacted, the bill would tie the $350,000 amount in the 1942 law to the Consumer Price Index (CPI). That means the $350,000 figure would rise over time with inflation. This applies when the federal government buys or values land under that law. Property owners in those transactions could get higher nominal payments as CPI rises.

May add 551-acre area to park

If enacted, the bill would let the Secretary of the Interior acquire about 551.14 acres for Mammoth Cave National Park. The land is shown as "Proposed Addition" on a May 2025 map (map no. 135/177,967). The Secretary would have discretion to buy the land; the bill does not set prices or funding. Landowners in Edmonson and Barren Counties could be asked to sell or convey interests.

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Sponsors & CoSponsors

Sponsor

Sen. McConnell, Mitch [R-KY]

KY • R

Cosponsors

There are no cosponsors for this bill.

Roll Call Votes

No roll call votes available for this bill.

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