THE 5-SECOND TRICK FOR SOIL SURVEY METHODS

Subseries VIII.A. Slide transparencies, by country. 1942-1968. This subseries is predominantly made up of Kodachrome and Ektachrome slide transparencies from Kellogg's travels in The usa and abroad. Also integrated are color prints produced from a few of the slides. Topics depicted consist of: soils; landscape functions; agriculture; men and women