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 usa and abroad. Also included are shade prints created from a lot of the slides. Topics depicted include: soils; landscape attributes; agriculture; persons and lifestyle, Specially rural https://stephen4u01a.mpeblog.com/56266383/not-known-facts-about-soil-survey-methods