Easy. Usually you will get a mutiple entry visa withen a year. - v5 p6 L$ X c; F! MJust go to the U.S consulate in Calgary website and you will find the information. 3 @& {. A4 b0 V1 P' T6 {
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. - U" b8 o9 U! d* ?
good luck.