Mr Evans:

a book called " Genesis of the Grail Kings "
details some physical residues of the flood, a sedimentary layer of mud located a few hundred feet below the surface of what is now the middle east and was then the Fertile Crescent. However that is only a local phenomenon...
what is more persuading is the overwhelming number of flood myths present in ALL of the world's cultures, worldwide from the indigenous Amazon and Native American tribes to the Jomon of Japan, from Noah to the Bhagavid Gita...
...