Great
Sand Dunes National Park
The park
in Colorada contains the tallest sand
dunes in
North
America,
these
rise some 750ft ( 230m ) from the floor of the San Luis Valley
on
the western base of the Sangre de Cristo Range.
The
dunes were formed from sand deposits of the Rio Grande.
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References:-
Mt. Whitney &
Sierra Nevada
| Sequoia
& Yosemite
| Death Valley
Colorado
Rockies
| Colorado
National Monument
| Canyonlands,
Arches & Monument Valley
The
Grand Canyon
| Great
Sand Dunes
| Mesa
Verde & Garden of the Gods
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This Land
is your Land