HELPING THE OTHERS REALIZE THE ADVANTAGES OF SOIL SURVEY METHODS

Subseries VIII.A. Slide transparencies, by place. 1942-1968. This subseries is predominantly made up of Kodachrome and Ektachrome slide transparencies from Kellogg's travels in the United States and overseas. Also integrated are colour prints made from several of the slides. Subjects depicted incorporate: soils; landscape capabilities; agriculture;