U. S. Dept. of A2:r., Bui. 157, Office of Expt. Stations. Irrig. and Drain. Invest. 



Plate IV. 



^ 





FiQ. 1— North Platte River at Guernsey Canyon— Low Water. 



Fig. 2.-N0RTH Platte River near Douglas, Showing Character of Stream Bed. 



