THE HISTORY OF IRRIGATION 471 



REFERENCES 



POWELL, J. W., with GILBERT, G. C., BUTTON, C. E., and THOMP- 

 SON, A. H. The Lands of the Arid Region of the United States. 

 United States Department of the Interior (1878). 



UNITED STATES DEPARTMENT OF STATE. Canals and Irrigation in 

 Foreign Countries. Special Consular Reports, Vol. V (1898). 



GRAY, E. D. MCQUEEN. Government Reclamation Work in Foreign 

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