Generations ago, the Black Death in England was treated as a visitation of the elements. Medical science has wiped out that grim superstition and to a very large extent protected life from sudden death by plague. The skill of the engineer has taught us how to control watersheds and it looks as though we were on our way to learning more about soils, about erosion, and about those things that affect plant and animal life, than ever before in history. Slowly man has…… More »