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RAINBOW ABOVE MONO LAKE. THE HEAVY SALINE CONTENT OF THIS LAKE CREATES TUFA TOWERS POROUS ROCK FORMATIONS NEAR... NARA .tif Scope and content General notes Local identifier DA Environmental Protection Agency NARAAuthor Rowan Dick Photographer File RAINBOWABOVEMONOLAKE THEHEAVYSALINECONTENTOFTHISLAKECREATESTUFA TOWERS POROUSROCKFORMATIONS