Trout "Shooting" the Rapids 



dams, built of loose rocks, logs or boards, may be advantageously placed a 

 short distance apart on the same stream. They not only insure a good water 

 supply for the young fish in dry seasons, but also prevent them from being swept 

 away by spring freshets. They also largely increase the area in which the natural 

 food supply may grow, and over which the fish may forage for this food. By 

 remaining in these pools near the headwaters, the fry gain security from the 

 larger predaceous fish that lurk downstream. After attaining a suitable size, 

 however, they will of their own accord seek the lower courses. Probably in most 

 (17) 



