Easy. Usually you will get a mutiple entry visa withen a year. 3 D- i5 P5 R2 ?
Just go to the U.S consulate in Calgary website and you will find the information. 4 e$ w8 p( C( R
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. * M+ i) O0 ~3 F e" n
good luck.