Conservation of Our Natural Resources.
New York: Macmillan, 1936. 551 pp. 8vo. Cloth. "Based on Van Hise's 'The Conservation of Natural Resources in the United States'." Slightly scuffed. Bumping to sp. ends and corners. Slightly cocked. Light browning to textblock. Illustrated with b/w photographs and folding maps. Very Good Cloth (Item ID: 145685)