To provide for the location of multiple hardrock mining mill sites, to establish the Abandoned Hardr... — House Roll Call 358

Passed in the House on December 18, 2025 · 219 Yea, 198 Nay, 16 Not Voting

Question: On Passage: H R 1366 Mining Regulatory Clarity Act

Mining Regulatory Clarity Act This bill allows mining operators to use federal lands for activities ancillary to mining, such as waste disposal, regardless of whether those lands contain mineral deposits valuable enough to be mined (mineral validity). It also establishes the Abandoned Hardrock Mine Fund. The bill addresses a 2022 decision in the U.S. Court of Appeals for the Ninth Circuit related to the Rosemont Copper Mine in Arizona (commonly known as the Rosemont decision, described further…

Vote Breakdown by Party

• Republican: 209 Yea, 1 Nay, 9 not voting/present.
• Democrat: 9 Yea, 197 Nay, 7 not voting/present.
• Independent: 1 Yea, 0 Nay.

Members Who Voted Against Their Party

• Jim Costa (D-CA) voted Yea while most Democrats voted No.
• Henry Cuellar (D-TX) voted Yea while most Democrats voted No.
• Jared Golden (D-ME) voted Yea while most Democrats voted No.
• Vicente Gonzalez (D-TX) voted Yea while most Democrats voted No.
• Adam Gray (D-CA) voted Yea while most Democrats voted No.
• Steven Horsford (D-NV) voted Yea while most Democrats voted No.
• Marie Gluesenkamp Perez (D-WA) voted Yea while most Democrats voted No.
• Scott Peters (D-CA) voted Yea while most Democrats voted No.
• Eugene Vindman (D-VA) voted Yea while most Democrats voted No.
• Brian Fitzpatrick (R-PA) voted Nay while most Republicans voted Yea.

Explore More