9781422286197

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Southwest: New Mexico, Oklahoma, Texas

The Pecos River flows through the desert. The river originates in the Sangre de Cristo Mountains.

This grotto is located in Carlsbad Caverns National Park in southeastern New Mexico. The caves here formed over mil- lions of years as acidic waters dissolved limestone. The park is in the Guadalupe Mountains at the end of the Chihuahuan Desert coming up from Mexico.