Potsdam Sandstone
... that New York's Potsdam Sandstone was deposited in rising seas and consists of sediments eroded from unvegetated terrestrial landscapes?
... that New York's <b id="mwDOI"><a href="./Potsdam_Sandstone" id="mwDOM" rel="mw:WikiLink" title="Potsdam Sandstone">Potsdam Sandstone</a></b> was deposited in rising seas and consists of sediments eroded from unvegetated terrestrial landscapes?