National Geographic: After measuring California's mountain snow on Thursday, state officials described it as "dismally meager" and predicted that a fourth year of drought is on the way. Statewide, the water trapped in the form of snow is just a quarter of the amount usually found at this time of year, California's Department of Water Resources reported shortly after teams returned from measuring snow levels at Echo Summit in the Sierra Nevada mountains, southwest of Lake Tahoe. (Watch a video about new technology California...