Subseries VIII.A. Slide transparencies, by country. 1942-1968. This subseries is predominantly composed of Kodachrome and Ektachrome slide transparencies from Kellogg's travels in the United States and abroad. Also bundled are coloration prints created from some of the slides. Subjects depicted consist of: soils; landscape options; agriculture; individuals and society, Particularly https://hector3w12c.blogofchange.com/32320393/fascination-about-soil-survey-types