This 50-mile-wide scene from November of 2011 straddles the Texas - New Mexico border running east-west through the middle of the scene. Guadalupe Mountains National Park* protects a massive exposure of the most extensive fossilized reef in the world – the Permian Reef. Carlsbad Caverns* formed within the Permian Reef limestone. Linda Lake is recreational and fishing area in the Salt Basin that is a remnant of an Ice Age Lake that filled the Basin. Wildfire scars from 2011 mark the landscape in golden tones.