To provide funds to assess the potential hydrologic and biological impact of lead and zinc mining in the Mark Twain National Forest of Southern Missouri.

On Sep 9, 1999, the Senate voted 54–44 on “On the Amendment” (HR 2466). Result: Amendment Agreed to. By party: Republicans 53–0, Democrats 1–44. It was a party-line vote: most Democrats and most Republicans voted on opposite sides. 1 member voted against their own party.

During the 106th Congress (1999–2000), Bill Clinton was president, and Republicans held majorities in both the House and Senate.

Result: Amendment Agreed to
Yes: 54
No: 44
Did not vote: 4
Date: Sep 9, 1999

By party

Republicans53 yes · 0 no · 3 didn’t vote
Democrats1 yes · 44 no · 1 didn’t vote

Who broke with their party

Robert Carlyle Byrd D-WV voted yes

How each senator voted: Yes

Theodore Fulton (Ted) Stevens R-AK
Jefferson Beauregard (Jeff) Sessions III R-AL
Richard C. Shelby R-AL
Timothy Hutchinson R-AR
Jon Llewellyn Kyl R-AZ
A. Wayne Allard R-CO
Ben Nighthorse Campbell R-CO
William Victor Roth Jr. R-DE
Connie Mack III R-FL
Paul Coverdell R-GA
Charles Ernest Grassley R-IA
Larry Edwin Craig R-ID
Michael Dean Crapo R-ID
Peter G. Fitzgerald R-IL
Richard Green Lugar R-IN
Charles Patrick (Pat) Roberts R-KS
Sam Dale Brownback R-KS
Addison Mitchell (Mitch) Mcconnell R-KY
James Paul David Bunning R-KY
Olympia Jean Snowe R-ME
Susan Margaret Collins R-ME
Spencer Abraham R-MI
Rod Grams R-MN
Christopher Samuel (Kit) Bond R-MO
John David Ashcroft R-MO
Chester Trent Lott R-MS
William Thad Cochran R-MS
Conrad Burns R-MT
Jesse Helms R-NC
Charles Timothy (Chuck) Hagel R-NE
Judd Alan Gregg R-NH
Robert C. Smith R-NH
Pete Vichi Domenici R-NM
George Victor Voinovich R-OH
Michael Dewine R-OH
Donald Lee Nickles R-OK
James Mountain Inhofe R-OK
Gordon Harold Smith R-OR
Arlen Specter R-PA
Richard John (Rick) Santorum R-PA
John Hubbard Chafee R-RI
James Strom Thurmond R-SC
Fred Dalton Thompson R-TN
William H. Frist R-TN
Kathryn Ann Bailey (Kay) Hutchison R-TX
William Philip (Phil) Gramm R-TX
Orrin Grant Hatch R-UT
Robert Foster (Bob) Bennett R-UT
John William Warner R-VA
James Merrill Jeffords R-VT
Thomas Slade Gorton III (Slade) R-WA
Robert Carlyle Byrd D-WV
Craig Lyle Thomas R-WY
Michael B. Enzi R-WY

How each senator voted: No

Did not vote

Other votes

From Voteview roll call records.

Cite or embed this page

Capitol Receipts, “To provide funds to assess the potential…: Senate Vote, Sep 9, 1999,” https://www.capitolreceipts.com/vote/106-S-265/to-provide-funds-to-assess-the-potential-hydrologic-and (accessed 2026-10-17).