used to be legal to hunt em here ... not sure anymore as i dont shoot em ... but used to when younger ... would use a .22 mag and a canoe ....was hell on em durin high water ..... as far as the 330 dam set .... there are ways to catch em at dams ... and sum are awesome .... just statin that if not done right ya will have alot of fired traps .... im not tryin to act like i know it all ... or say that ya wrong .... best sets i have seen for beaver are crossovers, castor mounds, and a few others that i was shown by charles dobbins and hal sullivan .... as far as catches i have caught 20 beaver in a day ... not braggin ... just throwin a number out there .... anyhow .... good luck with any method ya use