(Whitby, 80' (24m), ON-07-03) in Whitby, Durham County, ON. PH12 (Brock St.) N. 2.3 miles from jct with PH401 exit 410, W. on Rossland Rd. 250’ to the bldg on the N. side of the road. (N43 53.864 W78 57.051) Photo by Jack & June Schmidt 5-20-11.