THIS IS A 



TROUT 

 HATCHERY 



REARING AND DISTRIBUTING 

 TROUT TO HELP MAINTAIN 

 SPORT FISHING 



UNITED STATES 



DEPARTMENT OF THE INTERIOR 



FISH AND WILDLIFE SERVICE 



Circular 31 



U. S GOVERNMENT PRINTING OFFICE -. 1955— 0-338844 



For sale by the Superintendent of Documents, U. S. Government 

 Printing Office, Washington 25, D. C. - - - - Price 5 cents. 



