▁Data ▁Center , ▁a ▁proposed ▁expansion ▁of ▁the ▁U . S . ▁National ▁Security ▁Agency ' s ▁Mult ip ro gram ▁Research ▁Fac ility <0x0A> </s> ▁The ▁Laurent ian ▁Div ide ▁also ▁called ▁the ▁Northern ▁Div ide ▁and ▁locally ▁the ▁height ▁of ▁land , ▁is ▁ ▁a ▁contin ental ▁divide ▁in ▁central ▁North ▁America ▁that ▁separ ates ▁the ▁Hudson ▁Bay ▁waters hed ▁to ▁the ▁north ▁from ▁the ▁G ulf ▁of ▁Mexico ▁waters hed ▁to ▁the ▁south ▁and ▁the ▁Great ▁L akes - St . ▁Lawrence ▁waters hed ▁to ▁the ▁sout heast . ▁ ▁Water ▁north ▁of ▁the ▁divide ▁flows ▁to ▁Hudson ▁Bay ; ▁water ▁south ▁of ▁the ▁divide ▁and ▁also ▁south ▁of ▁the ▁St . ▁Lawrence ▁Div ide ▁flows ▁to ▁the ▁G ulf ▁of ▁Mexico , ▁otherwise ▁to ▁the ▁Lab r ador ▁Sea ▁or ▁via ▁the ▁Great ▁L akes ▁and ▁St . ▁Lawrence ▁Se away ▁to ▁the ▁G ulf ▁of ▁St . ▁Lawrence . ▁▁ ▁From ▁the ▁divide ' s ▁j unction ▁with ▁the ▁Cont inental ▁Div ide ▁at ▁Tri ple ▁Div ide ▁Pe ak , ▁just ▁south ▁of ▁the ▁U . S . ▁border ▁in ▁north western ▁Mont ana , ▁it ▁runs ▁north ▁to ▁just ▁across ▁the ▁border ▁then ▁east ▁through ▁southern ▁Al berta ▁and ▁S ask atch ew an ▁where ▁it ▁turns ▁sout he aster ly ▁re ent ering ▁the ▁U . S . ▁at ▁the ▁north western ▁corner ▁of ▁North ▁Dak ota . ▁It ▁then ▁continues ▁on ▁to ▁the ▁extreme ▁n ortheast ▁corner ▁of ▁South ▁Dak ota ▁before ▁crossing ▁the