pubs.usgs.gov Stw lirne stone ( to s Swc Swc Wills shale (p limestone, cement white -Bloomsburg pea...
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pubs.usgs.gov Stw lirne stone ( to s Swc Swc Wills shale (p limestone, cement white -Bloomsburg pea sandstone member, S bat base) Sk McKenzie fonna-tion shale thin oystztV- Ziznestones;
