CALIFORNIA IRRIGATION NEEDS 



FORESTS 



BY 



Lewis E. Aubury, State Mineralogist of California 



IN CONSIDERING the subject of 

 irrigation, I wish to say a few 

 words upon that of forests, which are 

 essential as an aid in conserving the 

 water supply. 



\Yhile the subject of irrigation has 

 at times been of absorbing interest to 

 the people of this State, they have 

 given little thought to the sources of 



spin. All went well for a while. Sud- 

 denly the machine came to a stop, and' 

 believing something had gone wrong 

 with the running gear, he jumped out, 

 wrench in hand, to seek the cause of 

 the stoppage. First he turned a crank, 

 then he tightened a bolt. He went un- 

 der the machine, and over the ma- 

 chine, and all around the machine. He- 



Ncrth side cf Strawberry Peak, California, locking east Snow held by 



the pines 



water supply ; which lack of interest, 

 in view of the necessity for protection 

 of these sources, reminds me very 

 much of a friend of mine who recent- 

 ly purchased an automobile. He was 

 so proud of his new acquisition that 

 he invited a few of his friends for a 



screwed and unscrewed, opened valves- 

 and closed them, but all to no avail 

 the blamed thing would not budge. 

 After expending considerable time in 

 efforts to discover the cause of the dif- 

 ficulty, it suddenly occurred to him 

 to examine the gasoline tank, when to- 



