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Created page with "{ "USGS Publications Warehouse": { "@context": "https://schema.org", "@type": "Article", "additionalType": "Journal Article", "name": "The Pennsylvanian Fire Clay tonstein of the Appalachian basin\u2014Its distribution, biostratigraphy, and mineralogy", "identifier": [ { "@type": "PropertyValue", "propertyID": "USGS Publications Warehouse IndexID", "value": "70207647", "url": "https://pubs.usgs.gov/publication/7..."
