^ 



H 



mm 



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Figure 1. — Coleman (Calif.) Salmon Hatchery of the Fish and Wildlife Service. In 

 foreground, diversion dam in stream, fish ladder to adult-salmon ripening ponds, 

 fingerling rearing ponds. Buildings from left to right : equipment and shop, cold 

 storage and food preparation, and the hatching building. The waste-water channel 

 back to the stream serves also for passage of young fish released from the rearing 

 ponds. 



IV 



