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The National Geographic Magazine 



No. 6. Map of Irrigated and Irrigable Lands — Irrigated Areas in Black, 



Irrigable Areas Dotted 



consulting engineers, comprising men 

 of wide experience. 



The work extends over thirteen 

 states and three territories. These 

 sixteen political divisions comprise the 

 largest of the United States excepting 

 Texas. Texas came into the Union as 

 an independent republic, owning its va- 

 cant lands, and hence the land laws of 

 the rest of the states are not applicable, 

 nor is the law of June 17, 1902, but 

 all of the large western states are 



included, aggregating an area of about 

 one-half of the United States. Thus 

 the development of nearly half of the 

 United States is resting upon the best 

 execution of this law. 



The problems are not merely engi- 

 neering. It is not sufficient to build 

 canals and bring the water where the 

 people can get it; but, more than this, 

 there are an infinity of problems to be 

 solved, and great tact must be used with 

 people. When it comes to the question 



