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 America and abroad. Also provided are colour prints made from some of the slides. Subjects depicted involve: soils; landscape options; agriculture; individuals and society, Particularly rural existence; stru... https://mario2s90x.ageeksblog.com/30918609/the-smart-trick-of-soil-survey-manual-that-nobody-is-discussing