Delaware Basin
... that the Delaware Basin in Texas contains fossilised coral reefs from the Permian era?
... that the <b id="mw_g"><a href="./Delaware_Basin" id="mw_w" rel="mw:WikiLink" title="Delaware Basin">Delaware Basin</a></b> in <a href="./Texas" id="mwAQA" rel="mw:WikiLink" title="Texas">Texas</a> contains <a href="./Fossil" id="mwAQE" rel="mw:WikiLink" title="Fossil">fossilised</a> <a href="./Coral_reef" id="mwAQI" rel="mw:WikiLink" title="Coral reef">coral reefs</a> from the <a href="./Permian" id="mwAQM" rel="mw:WikiLink" title="Permian">Permian</a> era?