George Sibley III

Cases

• Haw River Assembly v. United States Army Corps of Engineers

  Resolved by OrderOther
  26-1470CIVILArgued May 13, 2026Panel: Chief Judge Diaz, Judge Niemeyer, Judge Quattlebaum
  With:Mary SpragueDerek Teaney
• Sierra Club v. State Water Control Board

  Opinion IssuedAffirmed
  21-2425MOUNTAIN VALLEY PIPELINEArgued Jan 24, 2023Panel: Chief Judge Gregory, Judge Wynn, Judge Thacker
  With:Derek TeaneyErika Maley
• Sierra Club v. West Virginia DEP

  Opinion IssuedVacated
  22-1008MOUNTAIN VALLEY PIPELINEArgued Oct 25, 2022Panel: Chief Judge Gregory, Judge Wynn, Judge Thacker
  With:Derek TeaneyLindsay See
• Appalachian Voices v. US Dept of Interior

  Opinion IssuedVacated & Remanded
  20-2159MOUNTAIN VALLEY PIPELINEArgued Oct 29, 2021Panel: Chief Judge Gregory, Judge Wynn, Judge Thacker
  With:Elizabeth BensonKevin McArdle
• Sierra Club v. U. S. Army Corps of Engineers

  Opinion Issued
  20-2039MOUNTAIN VALLEY PIPELINEArgued Nov 9, 2020Panel: Chief Judge Gregory, Judge Wynn, Judge Thacker
  With:Derek TeaneyKevin McArdle