THE SMART TRICK OF SOIL SURVEY MANUAL THAT NOBODY IS DISCUSSING

Subseries VIII.A. Slide transparencies, by nation. 1942-1968. This subseries is predominantly made up of Kodachrome and Ektachrome slide transparencies from Kellogg's travels in The us and overseas. Also integrated are shade prints produced from many of the slides. Subjects depicted contain: soils; landscape attributes; agriculture; people and soci