Easy. Usually you will get a mutiple entry visa withen a year. 5 P3 L8 X$ B! n/ ~' [- JJust go to the U.S consulate in Calgary website and you will find the information. * m D4 {; d, M! |8 dYou 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. . c0 ]. `; K' z' }- bgood luck.