Halfway Run
... that before pingo scars were discovered near Halfway Run , the only known pingo scars in the United States were located on a plain in Illinois?
... that before <a href="./Pingo" id="mwA8U" rel="mw:WikiLink" title="Pingo">pingo</a> scars were discovered near <b id="mwA8Y"><a href="./Halfway_Run" id="mwA8c" rel="mw:WikiLink" title="Halfway Run">Halfway Run</a></b> <i id="mwA8g">(pictured)</i>, the only known pingo scars in the United States were located on a plain in Illinois?