This BM is on the front wall of the post office, at the top of the stairs leading down and behind and slightly to the right (east) of the pay phone by the sidewalk.
From
NRCAN:
Armstrong
Post office, on north side of railway avenue between okanagan street and bridge street, 0.7 km west of junction of pleasant valley road with highway no. 97a, tablet in front or south concrete foundation wall of new addition, 47 cm east of southwest corner, 76 cm below brick siding, 25 cm above ground level.
NTS map sheet - 082L06
Unique Number - 85C093
Marker Type - Permanent agency marker
Inspected in - 1985
Established by - Geodetic survey division - nrcan
Status - Good