James L. Swauger
... that James L. Swauger continued his archaeological work with petroglyphs for fifteen years after his nominal retirement?
... that <b id="mwDSY"><a href="./James_L._Swauger" id="mwDSc" rel="mw:WikiLink" title="James L. Swauger">James L. Swauger</a></b> continued his <a href="./Archaeology" id="mwDSg" rel="mw:WikiLink" title="Archaeology">archaeological</a> work with <a href="./Petroglyph" id="mwDSk" rel="mw:WikiLink" title="Petroglyph">petroglyphs</a> for fifteen years after his nominal retirement?