http://www.hcn.org These are the search results for the query, showing results 1 to 1. http://www.hcn.org/issues/294/15374 Ten years ago, Ben Harding created a worst-case drought scenario for a U.S. Geological Survey study, but the current drought on the Colorado River may be even worse than he imagined No publisher Matt Jenkins Weather Dams And Water Supply Projects Colorado River drought Ben Harding U.S. Geological Survey Glen Canyon Dam Lees Ferry Lake Powell water shortages climate change global warming Bureau of Reclamation 2010-02-05T09:24:01Z News Article