Definition von great sand dunes national monument im Englisch Englisch wörterbuch
National monument, south-central Colorado, U.S. At the eastern edge of the San Luis Valley, it parallels for about 10 mi (16 km) the western base of the Sangre de Cristo Range. Established in 1932, the 60-sq-mi (155-sq-km) region contains some of the highest inland sand dunes in the U.S., with changing crests that rise to 700 ft (215 m)