Buried Tower

Buried Tower (HM1DLY)

Location: Devils Tower, WY 82714 Crook County
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Country: United States of America
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N 44° 35.372', W 104° 43.069'

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Inscription

Devils Tower National Monument

Ancient rivers took millions of years to excavate Devils Tower. The waters carried away softer sedimentary rocks leaving behind the hard igneous rock called phonolite. This rock type is found here in northeastern Wyoming, and central Montana, but mostly in east Africa.

The Tower is still emerging. The Belle Fourche River (below) continues to wash away the softer sedimentary rocks. Plateaus across the valley—some higher than the Tower's summit—are eroded layers of the same sediment that once surrounded and covered Devils Tower.

The Tower today stands 867 feet (264 meters) high, from the visitor center to the summit. Approximately one and one-half vertical miles of rock and sediment have washed away since the Tower formed.

(Left Photo Caption)
Photograph of modern river channel, with sedimentary rocks in background

(Right Photo Caption)
Layers of sedimentary rock are exposed on a cliff near the Tower
Details
HM NumberHM1DLY
Tags
Placed ByNational Park Service
Marker ConditionNo reports yet
Date Added Monday, October 13th, 2014 at 7:25pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)13T E 522398 N 4937393
Decimal Degrees44.58953333, -104.71781667
Degrees and Decimal MinutesN 44° 35.372', W 104° 43.069'
Degrees, Minutes and Seconds44° 35' 22.32" N, 104° 43' 4.14" W
Driving DirectionsGoogle Maps
Area Code(s)307
Closest Postal AddressAt or near 360-398 Co Rd 174, Devils Tower WY 82714, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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