Subseries VIII.A. Slide transparencies, by country. 1942-1968. This subseries is predominantly made up of Kodachrome and Ektachrome slide transparencies from Kellogg's travels in America and abroad. Also included are colour prints comprised of many of the slides. Topics depicted consist of: soils; landscape characteristics; agriculture; individuals and society, Primarily rural https://gregory8b34i.blogsmine.com/32260747/a-review-of-soil-survey-types