What's Goin' Down

Central California's Delta Mendota Canal                                      www.usbr.gov

I always wondered how we can keep taking liquids ~ water, oil ~ out of the ground without it sinking. It just didn't make sense. Well, apparently, California's Central Valley, made desperate by the current drought, has been pumping enough subterranean water that large areas are sinking. "We've got some serious issues," Reggie Hill, who manages the Lower San Joaquin Levee District, says in what may be a huge understatement: http://news.nationalgeographic.com/news/2014/03/140325-california-drought-subsidence-groundwater/#.UzJDp16jXgc