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For serious discussion of the controversies, approaches and enigmas surrounding the origins and development of the human species and of human civilization. (NB: for more ‘out there’ posts we point you in the direction of the ‘Paranormal & Supernatural’ Message Board). 
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Here are Graham Hancock Underworld archives with a list of underwater reasearches related to the topics he wrote about, among them Cambay:

Underworld Archive_Gulf of Cambay Controversy

Michel Demaria

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Subject Views Written By Posted
Ice age question 623 JamesBrennon 24-Apr-20 17:31
Mod Note > Topic Moved 156 Dr. Troglodyte 24-Apr-20 20:15
Re: Ice age question 219 Race Jackson 24-Apr-20 23:41
Re: Ice age question 206 hendrik dirker 25-Apr-20 10:10
Re: Ice age question 204 Susan Doris 25-Apr-20 10:29
Re: Ice age question 196 JamesBrennon 27-Apr-20 15:11
Submerged Ruins 190 Race Jackson 30-Apr-20 21:55
Gulf of Khambat ruins? 194 eyeofhorus33 01-May-20 21:45
Re: Gulf of Khambat ruins? 171 Merrell 02-May-20 14:27
Re: Ice age question 177 Mike D 10-May-20 13:16

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