Subseries VIII.A. Slide transparencies, by state. 1942-1968. This subseries is predominantly composed of Kodachrome and Ektachrome slide transparencies from Kellogg's travels in The us and abroad. Also involved are coloration prints made out of a few of the slides. Subjects depicted incorporate: soils; landscape attributes; agriculture; individuals and society, especially https://ricardo8h56o.digitollblog.com/31570003/what-does-soil-survey-mean