Helping The others Realize The Advantages Of soil survey methods
Collection VIII is made of shade slide transparencies and black-and-white photographic prints and negatives. The majority from the slides and images had been taken by Kellogg while touring As well as in the field in America and abroad.Most of this subseries is made of 4x5-inch prints as well as their negatives. Kellogg also created numerous 8x10-in