HELPING THE OTHERS REALIZE THE ADVANTAGES OF SOIL SURVEY METHODS

Subseries VIII.A. Slide transparencies, by nation. 1942-1968. This subseries is predominantly made up of Kodachrome and Ektachrome slide transparencies from Kellogg's travels in America and overseas. Also provided are coloration prints constructed from a lot of the slides. Topics depicted include: soils; landscape features; agriculture; people and