Keywords: Catskill-slab-new.jpg Catskill Formation from the Coleman Quarry of the Endless Mountain Stone Company Susquehanna County Pennslyvania showing mud clasts embedded within sandstone Same file as previously uploaded but with copyright tag 2011-2-25 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 Catskill-slab-new jpg 2011-02-25 19 39 Jstuby 1234×467 271324 bytes <nowiki>Cut slab of Catskill Formation from the Coleman Quarry of the Endless Mountain Stone Company Susquehanna County Pennslyvania showing mud clasts embedded within sandstone Same file as previously uploaded but with copyright tag </nowiki> Geology of New York Devonian geology Sandstone Geology of Pennsylvania Geologic formations Shale Stratigraphy |