172 ' LAWS RELATING TO 



An Act to regulate Passage-Way for Fish through the Dam near the Mouth of Concord 



River, in the Count}' of Middlesex. 



1820, 38. Sect, 1. Be it enacted, That so long as there shall be 

 kept and upheld a dam across Concord River, between the towns of 

 Chelmsford and Tewksbiuy, in the county of Middlesex, where the 

 dam of Thomas Kurd's factory now is situated, it shall be the duty 

 of the owner, occupant or person upholding said dam, to cause to be 

 made a sluice or passage-way, for flsh to pass freely up and down the 

 river through said dam ; and the same shall be constructed with a 

 permanent mud-sill, to be placed at the bottom of the natural chan- 

 nel of said river, and to extend from the shore of the island in said 

 river, not less than fifteen feet towards the factory, in the direction of 

 the present dam, with permanent abutments, and a cross timber at 

 the top not less than thirty inches above the mud-sill ; and the whole- 

 of said passage- w'ay shall be kept open, from the first (\ixy of April to 

 the twentieth da}' of May in each year, except only that when by 

 reason of the falling of the water in said river, there shall not be 

 more than twelve inches of water above said mud-sill, the said 

 passage-waj' may, with the advice and consent of the fish-wardens 

 of the towns of Chelmsford and Tewksbury, given in writing, be 

 diminished in proportion to the depth of the water : provided, hoivever, 

 that it shall never be reduced to a less depth than five feet from the 

 abutment on the west side. 



Sect. 2. Be it further enacted. That so long as the owner, occu- 

 pant or person upholding said dam shall cause to be made and kept a 

 sluice or passage-way for fish through said dam, of the dimensions and 

 constructions aforesaid, according to the true intent and meaning of 

 this act, he shall not be liable to any penalty or prosecution by force 

 of any act relative to the obstruction of the passage of fish up and 

 down said river. 



Sect. 3. Be it farther enacted, That no person shall be permitted 

 to obstruct the free passage of fish during the aforesaid months of 

 April and Ma}', b}' taking them in any manner, at the said passage- 

 way. 



Sect. 4. Be it further enacted, That this act shall continue in force 

 for the terra of ten years and no longer. — [January 24, 1821. 



[Sp. Laws, vol. 3, p. 378.] 



An Act in addition to the several Acts heretofore passed, to regulate the Fishery in 



Ilehoboth and Swanzey. 



1820,51. Sect. 1. Be it enacted, Tha,i no person whatever shall 

 be permitted to set any seine, net, weare or other obstruction across 

 Palmer's River iu Swanzey, at any time between the first day of 

 April and the twentieth day of June in each year, for the purpose of 



