No responses yet so a quickly made up story with hints to it's location.
Once upon a time there were two rocks buried deep in the ground far from the light of day. Things soon brightened for them and they found themselves on the back of a truck heading to a permanent vacation down the shore. While motoring down 539 one reportedly fell off a truck leaving the second rock to continue on alone. Life was good for the one that fell off with everyone constantly stopping to paint it and say hello. However, the rock that continued on did not fair as well. It would not make it to the final destination, and in fact it's final resting place would be the same distance off of 539 as the first. People could drive down 539 and see them both, wondering why they were there. But as the second rock was sleeping sometime after 1972, a sinister plan was hatched that would forever change it's fate. Soon, the road would disappear and the cars driving down 539 would pass by further away and the rock was forgotten. Trees would eventually grow around it hiding it from view, making its life miserable. The dark days of summer would for a short while retreat to allow some sunlight in, but would return again year after year after year. Then one day a photograph was taken of it and ............
Once upon a time there were two rocks buried deep in the ground far from the light of day. Things soon brightened for them and they found themselves on the back of a truck heading to a permanent vacation down the shore. While motoring down 539 one reportedly fell off a truck leaving the second rock to continue on alone. Life was good for the one that fell off with everyone constantly stopping to paint it and say hello. However, the rock that continued on did not fair as well. It would not make it to the final destination, and in fact it's final resting place would be the same distance off of 539 as the first. People could drive down 539 and see them both, wondering why they were there. But as the second rock was sleeping sometime after 1972, a sinister plan was hatched that would forever change it's fate. Soon, the road would disappear and the cars driving down 539 would pass by further away and the rock was forgotten. Trees would eventually grow around it hiding it from view, making its life miserable. The dark days of summer would for a short while retreat to allow some sunlight in, but would return again year after year after year. Then one day a photograph was taken of it and ............