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 America and abroad. Also involved are shade prints created from a few of the slides. Topics depicted consist of: soils; landscape attributes; agriculture; men and women and https://keegan4t01b.weblogco.com/31866958/top-soil-survey-instrument-secrets