Survey Bolt

Original Survey Bolt

The Survey Bolt is believed to be one of the original survey bolts from when the Manhattan grid was first planned in 1811.  As Central Park was not a part of the original plan, street intersection points may have been marked but left undisturbed since no actual intersection was built here.  The exact location of the bolt is kept a secret for fear that it will be stolen or destroyed. After some intense searching of both the internet and park, you might be able to find it like we did.