(50', FL-55-12 - Gone) N. of Usina Beach, St. Johns County, FL. Coastal Hwy (becomes Ponte Verdra Blvd) N. 7.7 miles from jct with Euclid Av. in Usinas Beach to the house on the E. side of the road at 2407. (N30 03.575 W81 19.906) Photo by Jack & June Schmidt 6-25-10.