Easy. Usually you will get a mutiple entry visa withen a year. / J; o f2 n$ q, d* sJust go to the U.S consulate in Calgary website and you will find the information. # y* U7 m* |2 x) p4 ?, H
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. ) T+ P3 }- ~% X( bgood luck.