Black and white, color prints. Images include landscapes, family vacation, portraits, Yellowstone NP signs, geysers, movie cameras, award ceremony

Black and white, color prints, negatives and proofs. Images are mostly of family.

Black and white prints. Images include Yellowstone NP, geysers, mudpots, group shots, animals (bison, moose, duck, sheep), and landscapes. Some photos have captions

Color transparencies, mostly of Yellowstone NP. Some have captions

Black and white negatives. Note included lists "Lorna and friends, Lorna and Dave - Chev. Cabriolet, patrol cabins, Beckler, Thorofare, Tower Fall"

Slides include winter scenes, 1959 earthquake, wildlife, children's activities and birthday parties

Slides, grouped with headings: Terrace Spring, Lower Geyser Basin, Fountain Geyser, Old Faithful, Lone Star, Yellowstone Lake, West thumb area, Upper Geyser Basin, Castle Geyser, Mud Volcano, Vandalism