CONTENTS 
PART I 
INTRODUCTION TO COMMERCIAL GEOGRAPHY 
CHAPTER 
I. WHEAT 
II. CorTON 
IIT. CATTLE INDUSTRIES 
IV. Iron . . . 
V. CoaL 
VI. THE PRINCIPLES OF 
COMMERCIAL GEOGRAPHY 
PAGE 
22 
10 
58 
79 
2 
PART TI 
COMMERCIAL GEOGRAPHY OF THE UNITED STATES 
VII. PuysicAL FEATURES OF THE UNITED STATES 
VIII. PLANT PRODUCTS OF THE UNITED STATES . 
IX. ANIMAL INDUSTRIES OF THE UNITED STATES 
X. MINERAL INDUSTRIES OF THE UNITED STATES 
XI. WATER RESOURCES OF THE UNITED STATES 
X11. THE CONCENTRATION OF INDUSTRIES 
XIII. CENTERS OF GENERAL INDUSTRY 
XIV. TRANSPORTATION 
XV. COMMUNICATION 
XVI. GOVERNMENT AND COMMERCE . 
XVII. ForEIGN COMMERCE OF THE UNITED STATES 
it 
irs 
[20 
145 
160 
(80 
202 
217 
229 
247 
256 
271