First Responder Training Sites. For police training purposes, in Southern California ten locations have been set up to look like "anytown, usa", where target practice & hostage situations are acted out. These areas are known in the industry as situation simulation villages, tactical training sites, or Hogan's Alleys (?). Emergency State is an online exhibit of over 200 photographs of these strange prop towns.
The extraordinary Center For Land Use Interpretation is a tertiary reference for one of today's posts, and it's been mentioned in comments before. Don't miss the Land Use Database or the Newsletter.