CONTENTS 



Foreword: LAND AND MAN 



If the Land Perish, How Shall Man Survive? 1 



I. PATIENT NATURE 



A Harmony of Forces for the Benefit of Man 



1 The Natural Circulation of Waters 5 



2 The Role of Vegetative Cover 11 



3 Some Interesting Aspects of Balance 15 



II. IMPETUOUS MAN 



Ax and Plow Break the Harmony of Forces 



1 Rushing Waters to the Seas 19 



a Drainage 21 



b Removal of Forest Cover 24 



c Removal of Sod Cover 26 



d Treatment of Streams 27 



e The Social Loss 28 



2 Erosion 29 



3 Creeks, Ponds, Rivers, and Lakes 36 



III. MAN AND NATURE, INC. 



The Physical Basis of a Permanent Country 



1 Some Basic Considerations 41 



2 Lines of Action 49 



a The Individual Farm 50 



[1] Selective Use of Land 51 



[2] Rotation of Crops 52 



[3] Cultivation of Tilled Lands 53 



[4] Check Dams in Gullies 57 



[5] Check Dams on Streams 57 



[6] Ponds and Reservoirs 58 



[7] Swamps, Marshes, and Wet Lands . . 61 



b The Small Community ... ... . . . 62 



c Small Drainage Areas 67 



d County, State, and Federal Governments . . 69 



Postscript: MAN AND LAND 



A Valley of Tomorrow Tells a Story 75 



For sale by the Superintendent of Documents, Washington, D. C. Price 15 cents (paper cover) 



