UPDATE 1: Large USA Dam failure risk — Dam is leaking
New Update - A new risk to the USA's tallest dam in Oroville CA may be developing. A "leaking area", on the backside of the massive Earthen dam, may be silently threatening to erode the internal core ... A race is on between the Spring-Summer melt-off, of record breaking winter snow in the Sierra Nevada Mountains, to fix the spillway in time for the next rainy season ...