This guy is braindead. He asked the same question two weeks ago. In
fact, here is my reply:
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What you probably want is this
http://www.lasvegasnow.com/area51/Area51-072503-LG.jpg

The fas.org site has a nice building by building description of Groom
Lake.
http://www.fas.org/irp/overhead/groom.htm
Also
http://www.terraserver.com/special/area51/area51.asp