(AL Map) N. of Calera, Shelby County, AL. US31 N. 1.0 miles from jct with I65 exit 231 N. of Calera, SW (left) on AL70/CR22 1.0 miles, N. on G Roy Pkwy 0.4 miles to the tank on the E. side of the road. (N33 09.282 W86 46.157) Photo by Jack & June Schmidt 7-13-10.