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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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Image for The Wissahickon Gorge - Philadelphia, PAview gallery

NWNW100.4 km

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Places of Geologic SignificanceThe Wissahickon Gorge - Philadelphia, PA

in Places of Geologic Significance

One of the most beautiful, natural places highlighted w/ vernacular structures can be found inside of all places, the city limits of Philadelphia. Cascading waters, WPA structures, & geologic formations & unlimited rocks make this a place a must see.

posted by: Groundspeak Regular Member Math Teacher

location: Pennsylvania

date approved: 8/17/2013

last visited: never

Image for Ringing Rocks Park - Bucks County - Upper Black Eddy, PAview gallery

NN146.6 km

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Places of Geologic SignificanceRinging Rocks Park - Bucks County - Upper Black Eddy, PA

in Places of Geologic Significance

In this park is a field of boulders, about 7-8 acres in size, that have an unusual property. When struck with a hammer or another rock, the rocks sound as if they are metal and hollow and ring with a sound similar to a metal pipe being struck.

posted by: Groundspeak Regular Member Math Teacher

location: Pennsylvania

date approved: 7/7/2008

last visited: 9/17/2016

Image for Great Swamp National Wildlife Refuge - Basking Ridge, NJview gallery

NN156.9 km

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Places of Geologic SignificanceGreat Swamp National Wildlife Refuge - Basking Ridge, NJ

in Places of Geologic Significance

This swampy location was once the lake bottom of a glacial lake called Glacial Lake Passaic. The Lake was created by the retreat of the Wisconsin Glacier at the end of the last Ice Age.

posted by: Groundspeak Premium Member Metro2

location: New Jersey

date approved: 9/29/2011

last visited: 8/3/2017

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