On 01/08/2017 04:49 PM, juan wrote: It's funny how you ranted against 'science' I don't rant against science. I rant against it's rigidness in the face of facts that should be altering it's formulation of facts, in the interests of the people who write their grants and paychecks. Industrial crapitalism. Rr Ps. The American Museum of Natural History USED TO have a Geological map of Lower Manhattan: [1]http://research.amnh.org/eps/nycgeology But it appears to be NLA. Homeland Insecurity you know. Might have a look here though: "New York: The Center of the World examines the rise and fall of the World Trade Center -- from its conception in the post-World War II economic boom, through its controversial construction in the 1960s and 1970s..." The "controversial construction" element: [2]http://www.pbs.org/wgbh/americanexperience/features/general-article/ newyork-engineering/ References 1. http://research.amnh.org/eps/nycgeology 2. http://www.pbs.org/wgbh/americanexperience/features/general-article/newyork-engineering/