Subseries VIII.A. Slide transparencies, by region. 1942-1968. This subseries is predominantly composed of Kodachrome and Ektachrome slide transparencies from Kellogg's travels in the United States and abroad. Also provided are shade prints made out of a lot of the slides. Topics depicted include: soils; landscape characteristics; agriculture; people and tradition, https://emilio6c45m.smblogsites.com/31766832/soil-survey-manual-secrets