THE 5-SECOND TRICK FOR SOIL SURVEY TYPES

Subseries VIII.A. Slide transparencies, by state. 1942-1968. This subseries is predominantly made up of Kodachrome and Ektachrome slide transparencies from Kellogg's travels in The usa and abroad. Also included are coloration prints made out of a number of the slides. Topics depicted include things like: soils; landscape characteristics; agricultur