In the last few weeks our Rockies Project Field Researchers left the Grand Canyon, crossed Lake Mead, traveled over Hoover Dam and down through Black Canyon and have just crossed Lake Mohave. Up next is Lake Havasu and Parker Dam before continuing south towards Mexico. Follow their progress through their SPOT GPS here: http://share.findmespot.com/shared/faces/viewspots.jsp?glId=03tlc4QaiXLxIl397nG6BRPCsFzK69usD.