Tunnels stretching beneath equador and Peru also mentioned ( Also see : Brugger , Karl & Van Buren , Elizabeth ) . ... NEW WORLDS , Vol . 1 , No. 2 , p . 18 : Maps of major tunnel systems and UFO bases beneath North America .
More Books:
Language: en
Pages:
Pages:
Language: en
Pages: 866
Pages: 866
Books about North American Tunnelling Vol 1 Only
Language: en
Pages: 490
Pages: 490
Mechanised shield tunnelling has developed considerably since the publication of the first edition of this book. Challenging tunnel projects under difficult conditions demand innovative solutions, which has led to constant further development and innovation in process technology, constructions operations and the machines and materials used. The book collects the latest
Language: en
Pages: 1295
Pages: 1295
Books about Proceedings
Language: en
Pages: 99
Pages: 99
1983 Highly illustrated. Gives much valuable information on the hollow earth, hollow earth societies, early hollow earth pioneers or "In-Earthologists".