THE 5-SECOND TRICK FOR SOIL SURVEY TYPES

Subseries VIII.A. Slide transparencies, by region. 1942-1968. This subseries is predominantly made up of Kodachrome and Ektachrome slide transparencies from Kellogg's travels in The us and overseas. Also involved are color prints made out of some of the slides. Topics depicted contain: soils; landscape features; agriculture; people and society, esp