HELPING THE OTHERS REALIZE THE ADVANTAGES OF SOIL SURVEY METHODS

Subseries VIII.A. Slide transparencies, by nation. 1942-1968. This subseries is predominantly composed of Kodachrome and Ektachrome slide transparencies from Kellogg's travels in America and abroad. Also integrated are colour prints created from a lot of the slides. Subjects depicted consist of: soils; landscape attributes; agriculture; individuals