The Moving Dune Historical

The Moving Dune Historical (HM1URD)

Location: Glen Arbor, MI 49636 Leelanau County
Country: United States of America

N 44° 53.003', W 86° 2.554'

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Inscription
In 1985, this wooden beam was placed here at the edge of the sand dune to measure dune movement. The numbers on the beam show how many feet the dune has advanced. Try to figure out the average rate pf movement per year.
The dune here rises to a height of about 46 meters (150 feet). The slope is about 25 degrees.
Sand dunes are formed by the wind. Grains of sand are just the right size to roll or bounce along a few feet into the air as a brisk wind blows on them. When the wind subsides, the sand comes to rest in a pile, known as a sand dune. The prevailing winds are from the southwest, causing the dune to advance to the northeast. Active dunes exist only within about two kilometers (1.2 miles) of Lake Michigan. Further inland the wind loses energy, allowing plants to become established on the dune.
Take a moment to touch the sand and enjoy the texture. If you want, dig below the surface a bit. Do you find some cool, moist sand beneath? These are not desert dunes; the moisture in the sand supports a variety of specialized plants which stabilize the dunes.
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Details
HM NumberHM1URD
Tags
Placed ByNational Park Service
Marker ConditionNo reports yet
Date Added Friday, September 30th, 2016 at 5:01pm PDT -07:00
Locationbig map
UTM (WGS84 Datum)16T E 575613 N 4970441
Decimal Degrees44.88338333, -86.04256667
Degrees and Decimal MinutesN 44° 53.003', W 86° 2.554'
Degrees, Minutes and Seconds44° 53' 0.18" N, 86° 2' 33.24" W
Driving DirectionsGoogle Maps
Area Code(s)231
Closest Postal AddressAt or near Sleeping Bear Heritage Trail, Glen Arbor MI 49636, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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