I 



PART II 



GROUND WATER SUPPLY AND NATURAL LOSSES IN THE 



VALLEY OF SANTA ANA RIVER BETWEEN THE 



RIVERSIDE NARROWS AND THE ORANGE 



COUNTY LINE 



By Harold C. Troxell 



A record of noneconomic loss of water along Santa Ana River from Riverside 

 Narrows to the Orange County line together with an estimate of inflow from ground 

 water above Lower Santa Ana Canyon. 



