5 ESSENTIAL ELEMENTS FOR SOIL SURVEY INSTRUMENT

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 usa and abroad. Also provided are shade prints made out of several of the slides. Subjects depicted include: soils; landscape characteristics; agriculture; men and women