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Richard Sauder
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Underground bases and tunnels
Richard Sauder, PhD · Adventures Unlimited
142 sayfa · 1995
Classified Defense information / Defense information, Classified / Military bases / Tunnels
Underwater and Underground Bases
Richard Sauder, Richard Sauder Ph.D. · Adventures Unlimited Press
256 sayfa · 2001
Controversial Knowledge & Mysteries / New Age / Body, Mind & Spirit / Science / Science/Mathematics / Life Sciences - Biology - Marine Biology
Underground
Richard Sauder · Dracon Press
142 sayfa · 1995
Classified Defense information / Defense information, Classified / Military bases / Tunnels