Section Showing Flash-boakd Method of Regulating Flow in FiShw 



5*L\TCh Or LQwLP unD QF Fishway 



Figure 1, « Plan of Lawrenoe Fisbway 



Note that original weirs were 4 feet in width. 

 (Modified in 1937). 



commission on Fisheries a^d ga^_. 

 Gcr-JEiRAL. Plan or Proposed Fismaay 



AT Dam Or TV^ 



Essf.x Company 



Lawrencc. Mass 



SCAL-g. llNCH-BrEELT NCvC"8ER 30.l9»8 



