THE SINGLE BEST STRATEGY TO USE FOR SOIL SURVEY METHODS

Subseries VIII.A. Slide transparencies, by state. 1942-1968. This subseries is predominantly composed of Kodachrome and Ektachrome slide transparencies from Kellogg's travels in The usa and abroad. Also provided are colour prints created from a lot of the slides. Subjects depicted involve: soils; landscape functions; agriculture; folks and culture,