No worry. I am a land surveyor, we do have to get in a yard, if nobody home. We are permitted to do so according to many laws and acts. 7 g; v* Y% x9 L" T. A/ e% j8 j: S: vUsually we will ask permission, if nobody home, we will leave a notice. If people stay in Alberta longer enough, they willknow it and like to give permission.