(Brockville) in Brockville, Leeds Grenville County, ON. Stewart Blvd SE 0.35 miles (0.6km) from jct with PH401 exit 696, SW on Schofield Av. 1 block, S. on Perth St. 2 blocks, W. on Chaffey St. 1 block to the tower on the S. side of the road. (N44 35.655 W75 41.755) Photo by Jack & June Schmidt 5-29-11.