Page 12 1976-1979 (Groups  276-300)

Group 276, August 1975, 8765-8772, Bryce Canyon National Park

Group 283, November 1977, 8960-8987, Little Colorado river Sheep Trail to Horse Trail

Group 287, May 1978, 9099-9100, Georgie White at Lees Ferry

Group 294, May 1979 9257-9470 (missing 1) River Trip Phantom Ranch to Havasu Canyon

Group 295, September 1979, 9471-9522, River Trip Page to base of Glen Canyon Dam to Lees Ferry