Easy. Usually you will get a mutiple entry visa withen a year. ; D9 ^% z3 J* V, e/ r* C) ^- I+ m: iJust go to the U.S consulate in Calgary website and you will find the information. 6 c" @# s4 S* X# D! NYou need to book the interview in far advance, usually a month or half a month prior to the interview. Sometimes if you are in a hurry, you have to go to Vancouver for the visa. / @2 n3 k8 h* H; }. C1 ngood luck.