Regurgitator
Monday, 21 July 1997
The Barn @ UCLA
Riverside, CA, USA
with The Melvins, Fried wood, He's Dead Jim
[No setlist details]
Confirmation:
regurgitator.net
The Dessert Sun, 18 July 1997, page 18
San Bernardino County Sun, 18 Jul 1997, page 20
Both newspaper listings don't include Helmet, assumed to be a separate gig from Helmet support