▁their ▁families , ▁as ▁they ▁were ▁concerned ▁about ▁negative ▁influ ences ▁of ▁trad ers ▁at ▁C augh na w aga , ▁who ▁p lied ▁the ▁Moh awk ▁with ▁rum . ▁The ▁Moh awk ▁families ▁were ▁accompanied ▁by ▁Jes uit ▁mission aries ▁from ▁C augh na w aga . ▁ ▁After ▁the ▁United ▁States ▁acquired ▁this ▁territory ▁in ▁settlement ▁of ▁its ▁northern ▁border , ▁relations ▁among ▁the ▁people ▁and ▁the ▁varying ▁juris dict ions ▁became ▁more ▁complex . ▁But ▁according ▁to ▁the ▁ 1 7 9 5 ▁Jay ▁Tre aty ▁sett ling ▁the ▁border , ▁the ▁Moh awk ▁retained ▁the ▁right ▁to ▁travel ▁freely ▁over ▁the ▁border . ▁Since ▁the ▁res ervation ▁was ▁established , ▁the ▁Moh awk ▁on ▁both ▁sides ▁of ▁the ▁St . ▁Lawrence ▁River ▁have ▁lost ▁land ▁and ▁been ▁advers ely ▁affected ▁by ▁major ▁infrastr ucture ▁projects ▁conducted ▁by ▁state ▁and ▁federal ▁authorities . ▁These ▁include ▁construction ▁of ▁the ▁St . ▁Lawrence ▁Se away , ▁what ▁is ▁now ▁known ▁as ▁the ▁Three ▁Nations ▁Cross ing ▁bridge , ▁and ▁d ams ▁on ▁the ▁rivers ▁for ▁hydro elect ric ▁power ▁projects . ▁ ▁Since ▁ 1 7 6 2 , ▁mill s ▁and ▁d ams ▁were ▁built ▁by ▁private , ▁non - Native ▁interests ▁on ▁the ▁St . ▁Reg is ▁River ▁at ▁what ▁developed ▁as ▁the ▁village ▁of ▁Hog ans burg . ▁It ▁is ▁now ▁within ▁the ▁St . ▁Reg is ▁Moh awk ▁Res ervation . ▁In ▁ 1 9 2 9 ▁Er ie ▁Bou lev ard ▁H yd rop ower ▁built ▁an