Soils, their formation, properties, composition, and relations to climate and plant growth in the humid and arid regionsNote 131 — Chapter XX · SOILS OF THE ARID AND HUMID[125] REGIONS.Reading editionRep. Agr. and Geology of Mississippi, 1860, p. 360.◇Copy noteReturn to CHAPTER XX. SOILS OF THE ARID AND HUMID[125] REGIONS.