PLATE I 



Map of 

 NTA ANA RIVER between Riverside Narrows and Prado 



showing 



Area of Natural Losses 

 1933 



WATER SURFACE 



SWAMP PLANT UFE: 



TULES, MARSH GRASS, BRUSH, ETC- 



HEAVY BRUSH COVER 



GRASS 



CULTIVATED AREA 

 BARE SAND 



MILES 



HAMNtR AVE- 



SANTA ANA RIVER 

 AT HAMNER AVE. 



