Colorado National Monument is a part of the National Park Service near the city of Grand Junction, Colorado. Spectacular canyons cut deep into sandstone and even granite–gneiss–schist rock formations, in some areas. Wikipedia
Colorado National Monument is a part of the National Park Service near the city of Grand Junction, Colorado. Spectacular canyons cut deep into sandstone and even granite–gneiss–schist rock formations, in some areas. Wikipedia
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