Page 11 1975 (Groups 251-275)

Group 257, May 1975, 7750-7978, (missing 2 slides) River Trip Lees Ferry to Phantom Ranch

Group 264, August 1975, 8262-8280, Galiuros, Pete Cowgill's birthday

Group 268, September 1975,  8337-8343, Baldy President's Hike