William Clark's "Pirimids"

William Clark's "Pirimids" (HM2BLK)

Location: Carmen, ID 83462 Lemhi County
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Country: United States of America
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N 45° 20.088', W 113° 52.524'

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Inscription
Clark's "Pirimids" are lessons in erosion and deposition. Looks closely at the columns to see layers of sediment: sandstone, gravel, and larger rocks that were eroded from ancient hills and deposited in valleys millions of years ago. Time and pressure cemented the sediments into formations hundreds of feet thick.

You can also see that on top of some of the "pirimids" are "capstones" of harder stone that kept the rock beneath them from eroding as quickly as the surrounding formation. Today formations like these are called "hoodoos," an African word for a thing or person that brings bad luck.

"...passed a remarkable rock resembling Pirimids on the Left Side." - William Clark August 31, 1805
Details
HM NumberHM2BLK
Tags
Placed ByLewis and Clark in Lemhi County
Marker ConditionNo reports yet
Date Added Sunday, September 23rd, 2018 at 2:01pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)12T E 274699 N 5024166
Decimal Degrees45.33480000, -113.87540000
Degrees and Decimal MinutesN 45° 20.088', W 113° 52.524'
Degrees, Minutes and Seconds45° 20' 5.2800000000001" N, 113° 52' 31.44" W
Driving DirectionsGoogle Maps
Area Code(s)208
Which side of the road?Marker is on the right when traveling West
Closest Postal AddressAt or near 166 Tower Creek Rd, Carmen ID 83462, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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