Bob your memory is impeccable.Yes I remember the spot and the pic you took of me standing there,I believe I had my black lab Sophie with,gone three years now:-(Al knows that I still want to do a plant survey on this little peninsula of sand that juts out into a flooded sand mine down there. We were exploring there about 15? years ago. We walked up to this oddity through a forest clearly not pine barrens, and suddenly came upon a little peninsula with a shocking conversion to something you'd see along the Wading River. I think this is it below. Wide view first to show the location relevant to NJ.
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View attachment 20545