Page 7 1966-1969 (Groups 151-175)

Group 151, December 1966, 3356-3371, Boucher to Hermit

Group 152, June 1967, 3372-3476, River Trip Havasu to Diamond

Group 153, June 1969, 3477-3719, (missing 1) River Trip, Phantom to Havasu

Group 154, April 1961, 3720-3777, Navajo Mtn Rainbow Bridge

Group 175, September 1969, 4406-4432, Gila packpack