THE SMART TRICK OF SOIL SURVEY MANUAL THAT NOBODY IS DISCUSSING

Subseries VIII.A. Slide transparencies, by nation. 1942-1968. This subseries is predominantly composed of Kodachrome and Ektachrome slide transparencies from Kellogg's travels in the United States and overseas. Also incorporated are coloration prints made from some of the slides. Subjects depicted contain: soils; landscape functions; agriculture; p