No code, so unable to tell exactly when this was built, but it must have been sometime between 1984 and 1990, based on the available aerial imagery. A round pad is visible in 1990 photos, replaced by this square one in 1996 images.

This photo is copyright © Kevin Kuhn, and may not be used or published in any way without permission.

It was added on 18 December 2023, and has since been viewed 65 times.