Great Sand Dunes National Preserve topographic map
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Great Sand Dunes National Preserve
In 1848, John C. Frémont was hired to find a railroad route from St. Louis to California. He crossed the Sangre de Cristos into the San Luis Valley in winter, courting disaster but proving that a winter crossing of this range was possible. He was followed in 1853 by Captain John Gunnison of the Corps of Topographical Engineers. Gunnison's party crossed the dune field on horseback.
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Name: Great Sand Dunes National Preserve topographic map, elevation, terrain.
Average elevation: 9,160 ft
Minimum elevation: 7,572 ft
Maximum elevation: 13,543 ft
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Great Sand Dunes National Park
United States > Colorado > Saguache County
In 1848, John C. Frémont was hired to find a railroad route from St. Louis to California. He crossed the Sangre de Cristos into the San Luis Valley in winter, courting disaster but proving that a winter crossing of this range was possible. He was followed in 1853 by Captain John Gunnison of the Corps of…
Average elevation: 8,583 ft
