Keywords: Crinoid fragments Keyser Formation.jpg Crinoid fragments in the Silurian-Devonian Keyser Formation Old Eldorado Quarry at Mile Marker 30 along Interstate 99/US220 in Blair County Pennsylvania south of the Plank Road Exit on the east side of the road Scale bar is 10 cm Taken 2003 2010-3-8 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 Crinoid_fragments_Keyser_Formation jpg 2010-03-08 14 09 Jstuby 744×478 296129 bytes <nowiki>Crinoid fragments in the Silurian-Devonian Keyser Formation Old Eldorado Quarry at Mile Marker 30 along I-99/US220 in Blair County Pennsylvania south of the Plank Road Exit on the east side of the road Taken 2003 </nowiki> Paleozoic Animalia Limestone Silurian Fossils of Pennsylvania Devonian fossils from the United States Animals of the United States |