Other natural resources support the economy differently than do the extractive industries. The area is endowed with scenic and climatological attractions which are being enjoyed by more and more people. Tourist expenditures in the area are measured in the millions of dollars daily, and were estimated to be in the area of $1.5 billion in 1961. This amount is expected to increase as more leisure time becomes available. Recreational, Cultural, and Scientific Development People have thronged to the Pacific Southwest since World War II for economic opportunity, educational or scientific environment, climatic advantage, or retirement purposes. This migratory influx has created both a new standard of American life and a crisis in the state of So...