Delores Dearte, right, and Merna Thompson, neighbors from the town of Gridley, Calif., rest at a shelter for evacuees from cities surrounding the Oroville Dam, Monday, Feb. 13, 2017, in Chico, Calif. The thousands of people who were ordered to leave their homes after a damaged California spillway threatened to unleash a 30-foot wall of water may not be able to return until significant erosion is repaired, authorities said Monday. (AP Photo/Marcio Jose Sanchez)