Easy. Usually you will get a mutiple entry visa withen a year. 3 _& j3 j5 E! [3 p
Just go to the U.S consulate in Calgary website and you will find the information. * r( \7 Q0 K4 G0 X8 V- B0 L5 d
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& J+ v2 F' e p9 x
good luck.