Soils, their formation, properties, composition, and relations to climate and plant growth in the humid and arid regionsNote 16 — Chapter III · THE MAJOR SOIL-FORMING MINERALS.Reading editionBull. No. 1, U. S. Dept. Agr. Veg. Path. and Physiol. Investig.◇Copy noteReturn to CHAPTER III. THE MAJOR SOIL-FORMING MINERALS.