JOHN WESLEY POWELL I4I 



195 PP-» 4% 3 "i^ps- 



The chapter headings are as follows : 



I, Physical characteristics of the arid region. 



II. The land system needed for the arid region. 



III. The rainfall of the western portion of the United 

 States. 



IV. Water supply. (By G. K. Gilbert.) 



V. Certain important questions relating to irrigable 

 lands. 



VI. The lands of Utah. 



VII. Irrigable lands of the Salt Lake drainage system. 

 (By G. K. Gilbert.) 



VIII. Irrigable lands of the valley of the Sevier River. 

 (By C. E. Button.) 



IX. Irrigable lands of that portion of Utah drained by 

 the Colorado River and its tributaries. (By A. H. Thomp- 

 son.) 



X. Land grants in aid of internal improvements. (By 

 Willis Drummond, Jr.) 

 Second edition as follows : 

 Report on the lands of the arid region of the United States, 

 with a more detailed account of the lands of Utah. With 

 maps. By J. W. Powell. Second edition. 



Washington : Government Printing Office. 1879. 

 ^95 PP-1 4°» 3 "^''ips- 



1888. 

 47. [Report (dated March 13, 1888) to the Secretary of the 

 Interior concerning the desirability of authorizing the 

 Geological Survey "to segregate lands of the public 

 domain capable of irrigation in the sections of the 

 United States where irrigation is required, from other 

 lands, and to lay out suitable places to be reserved for 

 reservoirs, and rights of way for ditches and canals, for 

 the purposes of irrigation.''] 



In Senate ex.'doc. No. 134, 50th Congress, ist session, letter 

 from the Secretary of the Interior, transmitting, in response 

 to Senate resolution of Feb. 13, 188S, report concerning the 

 irrigation of certain lands, pp. 3-6, Washington, Govern- 

 ment Printing Office, 1SS8, S°. 



