The first set of images are from the San Antonio show at Randy's Rodeo, January 8th 1978.
The other three sets of images are from the Tulsa show at the Cains Ballroom, January 12th 1978. It was an hour long show during a snow storm.
Item Number "sp780108"
Item Number "sp780112.2"
Date: 1978, January 12th
Venue: Cain's Ballroom, Tulsa, OK, USA