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| 13-JUL-2008 | |
the Portland Observatory does not have a foundation. Instead they used ballast, like in a ship.
You can view the large stones through a hatch in the floor.
Pbase Members Maine Meet Up
Portland, Maine
July 13, 2008
DO NOT link, use, reproduce or alter this image or any part of this image Copyright held by Jonathan T. Popp
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