Keywords: Conococheague I70 MM20.jpg Conococheague Formation along I-70 eastbound lane Mile Marker 20 5 facing north This is only part of a much longer roadcut Taken April 3 2011 2011-4-4 Own <br />Transferred from http //en wikipedia org en wikipedia Jstuby at http //en wikipedia org en wikipedia cc-zero Jstuby at http //en wikipedia org en wikipedia Original upload log page en wikipedia Conococheague_I70_MM20 jpg 2011-04-04 12 55 Jstuby 2048×1250 855781 bytes <nowiki>Outcrop of Conococheague Formation along I-70 eastbound lane Mile Marker 20 5 facing north This is only part of a much longer roadcut Taken April 3 2011 </nowiki> Limestone Geology of Pennsylvania Geologic formations Geology of Maryland Geology of Virginia Geology of West Virginia Cambrian geology |