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Places of Geologic Significance
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Managed By: Icon Here Interested Geologists
Description:
A category in which to place interesting rock, sand, soil formations and deformations which have been created by natural (not human) forces.
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Total Records: 5 Page: 1 of 1 prev<<<[1]>>>next
Image for Yeager Rock (Erratic), Waterville Plateau, Washingtonview gallery

SESE35.7 km

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Places of Geologic SignificanceYeager Rock (Erratic), Waterville Plateau, Washington

in Places of Geologic Significance

Yeager Rock, a 400 ton, two-story erratic is located on the Waterville Plateau in Washington State.

posted by: Groundspeak Premium Member Rose Red

location: Washington

date approved: 9/9/2008

last visited: 9/22/2013

Image for Steamboat Rock - Washingtonview gallery

SESE54.7 km

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Places of Geologic SignificanceSteamboat Rock - Washington

in Places of Geologic Significance

Steamboat Rock is a massive basalt butte, several miles long and 800 ft. high. It was formed when the Columbia River was re-routed by ice dams during the last ice age.

posted by: Groundspeak Regular Member Hikenutty

location: Washington

date approved: 11/9/2007

last visited: 8/25/2013

Image for Dry Falls & The Missoula Ice Age Floodview gallery

SESE62.9 km

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Places of Geologic SignificanceDry Falls & The Missoula Ice Age Flood

in Places of Geologic Significance

More than 15,000 years ago the largest and most powerful scientifically documented freshwater flood to occur on earth happened in the Pacific Northwest. The floodwaters, moving up to 60 mph, created the largest waterfall to ever exist--Dry Falls.

posted by: Groundspeak Premium Member Rose Red

location: Washington

date approved: 1/12/2007

last visited: 8/16/2017

Image for The Ginkgo Petrified Forest - Washingtonview gallery

SS129.2 km

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Places of Geologic SignificanceThe Ginkgo Petrified Forest - Washington

in Places of Geologic Significance

The Ginkgo Petrified Forest contains thousands of petrified logs in lava flow and contains an unusually large number of tree species.

posted by: Groundspeak Premium Member Volcanoguy

location: Washington

date approved: 2/10/2010

last visited: 4/6/2014

Image for Umtanum Ridge - Yakima Canyon Road, WAview gallery

SS151.4 km

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Places of Geologic SignificanceUmtanum Ridge - Yakima Canyon Road, WA

in Places of Geologic Significance

Plaque gives an explanation on the formation of these hills.

posted by: Groundspeak Premium Member gypsie2

location: Washington

date approved: 9/20/2013

last visited: never

Total Records: 5 Page: 1 of 1 prev<<<[1]>>>next
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