Easy. Usually you will get a mutiple entry visa withen a year. / s* e. K) X t$ _
Just go to the U.S consulate in Calgary website and you will find the information. * V8 j' R4 }5 a+ ]! Y4 z
You 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. $ g' H; N- g0 x/ k) ~) W* e2 _# v; Mgood luck.