This state has the largest sand dunes complex in the U.S., just north of a river named for its flatness
It runs roughly south to north, along the River Brittle, which has its 
mouth at... [DOC] [TLE] Dune and Other Desert Features - The shape of the land, Forces ... [PAR] Although dunes, wind-blown piles of sand, make up only 20 percent of the ... A 
parabolic dune is similar in shape to a barchan, but its tips point into the wind.