About 1.25 million years ago, a spectacular volcanic eruption created the 13-mile wide circular depression now known as the Valles Caldera. The p...
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The Río Grande del Norte National Monument is comprised of rugged, wide open plains at an average elevation of 7,000 feet, dotted by volcani...
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Navajo State Park is Colorado's Answer to Lake Powell. Navajo Reservoir Extends for 20 miles South into New...
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