Easy. Usually you will get a mutiple entry visa withen a year. 5 J0 P( |8 }1 J) SJust go to the U.S consulate in Calgary website and you will find the information. , E% \/ W, Y8 S) v% _3 m+ t
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. : E6 Z B1 [- U4 r/ g6 P
good luck.