The Times-Picayune has an excellent map-centric multimedia presentation about how southeast Louisiana came to be, how it evolved (including the rise of New Orleans), how policy and intervention set a course for dramatic change, and what needs to happen to reverse its disappearance. The background includes a look back at the geological history of the region and the geomorphological forces that are at work in the region. The dip back into historical changes provides a rich understanding of the forces at work in the region.
