Subseries VIII.A. Slide transparencies, by nation. 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 shade prints made from many of the slides. Subjects depicted consist of: soils; landscape features; agriculture; persons and tradition, https://andy2q91b.goabroadblog.com/31060565/helping-the-others-realize-the-advantages-of-soil-survey-types