Filmed in Airway Heights Wa. At the Northern Quest Casino. Owned by the Kalispel tribe. All indoor and outdoor shots are from actual casino.
When Doc says " You have no idea what a long , strange trip its been."
Long and Strange Trip is the second compilation album by the Grateful Dead, circa August 18, 1977. More proof Doc was a hippie, before the Z.
At 39:29 for the first time a character utters the phrase "Z Nation".