MAKE A MEME View Large Image Block-glide.jpg en wikipedia 2011 December 24 I-99 in Blair County Pennsylvania Part of a hill of Devonian shale was removed to make the road forming a dip-slope The upper block detached along a bedding plane and is sliding down the hill ...
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Keywords: Block-glide.jpg en wikipedia 2011 December 24 I-99 in Blair County Pennsylvania Part of a hill of Devonian shale was removed to make the road forming a dip-slope The upper block detached along a bedding plane and is sliding down the hill forming a jumbled pile of rock at the toe of the slide Photo taken in 1997 and uploaded by James Stuby 2007-5-11 Own <br />Transferred from http //en wikipedia org en wikipedia Jstuby at http //en wikipedia org en wikipedia en wikipedia Jstuby Original upload log page en wikipedia Block-glide jpg 2007-05-11 14 52 Jstuby 777×410 300683 bytes <nowiki>Block glide at Mile Marker 23 along I-99 in Blair County Pennsylvania Part of a hill of Devonian shale was removed to make the road forming a dip-slope The upper block detached along a bedding plane and </nowiki> Landslides in the United States Blair County Pennsylvania Interstate 99
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