There is more than one artist with this name.
These are photos from concerts where Bison played, so they may be of other bands that played the concert as well.
Glastonbury Festival 2016 Jun 22 - 26, 2016 Shepton Mallet, England, United Kingdom Uploaded by Peter Nieuwkoop
Vans Warped Tour Apr 6, 2002 Melbourne, Victoria, Australia Uploaded by Wattoson
Voodoo Glow Skulls / Falling Sickness / Bison Aug 9, 1996 Detroit, Michigan, United States Uploaded by Mark Culpepper