By popular request, here is the link to Gill's video
DirtDoc Richardson Gill: The Great Mayan Droughts: Water, Life, and Death (University of New Mexico Press 2000). Now translated into Spanish and published in Mexico. He has also made a TV documentary about this by the BBC and the Learning Channel. ( Ancient Apocalypse: The Mayan Collapse ). Ancient Apocalypse: The Mayan Collapse Available in 5 parts on U-tube. Part 1: http://www.youtube.com/watch?v=bab6kDtFTJA
