Easy. Usually you will get a mutiple entry visa withen a year. : e* W" m7 h# J* @, R' W" { N
Just go to the U.S consulate in Calgary website and you will find the information. 7 [+ T+ B; s# w6 B( \" }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. ( F9 Z$ W, s. g
good luck.