Underground Links
  Web Link
  Link   Air Defense Radar Musuem
Just what it says. Aims to be a comprehensive history of the air defense of the USA, and well on its way to doing just that.
  Link   Center for Land Use Interpretation
Monthly newsletter on land use studies. Demolitions, renovations, abandonments, etc. are all dealt with.
  Link   Minneapolis Drain Archive
Great site on draining in Minneapolis, MN. Trip logs and photos. Very well written.
  Link   Missile Base VR
"Virtual reality" photo tour of an abondoned Nike missile complex in the USA. Very neat.
  Link   UnderCity
Intriguing site for the history and the stories behind exploring tunnels and hidden, forgotten, or inaccessible places.
 

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