Conservation of Natural Resources 799 



6. Discuss the value of our twenty-eight National Parks and the many State Parks 

 in view of our increased leisure time. 



7. Discuss the justification of including human resources in the total program of 

 conserving natural resources, including reasons why this problem has been 

 changed as a result of our ways of living in recent years. 



8. Discuss the benefits and detriments of industrialization, greater periods of 

 leisure, concentration of populations in large cities (urbanization), increased 

 mechanization of homes, industries, methods of transportation, etc. 



9. Discuss the probable status of human society if and when we shall have ex- 

 hausted many of the essential resources upon which we now seem so dependent. 

 Include the contrasting status of our forefathers who lived under quite differ- 

 ent conditions. Is it impossible for us to really exist if these conditions are 

 prevalent again? 



SELECTED REFERENCES 



Bennett: Elements of Soil Conservation, McGraw-Hill Book Co., Inc. 



Gustafson: Soils and Soil Management, McGraw-Hill Book Co., Inc. 



Gustafson, Guise, Hamilton, and Ries: Conservation in the United States, Com- 



stock Publishing Co., Inc. 

 Jacks and Whyte: Vanishing Lands, Doubleday, Doran & Co., Inc. 

 Osborn: Our Plundered Planet, Little, Brown & Co. 

 Peattie: Cargoes and Harvests, D. Appleton & Co. 

 Sears: Deserts on the March, University of Oklahoma Press. 

 Smith: Conservation of Our National Resources, John Wiley & Sons, Inc. 

 Trippensee: Wildlife management, McGraw-Hill Book Co., Inc. 

 Vogt: Road to Survival, Wm. Sloane Associates. 



