Indian Mound Reserve
... that Ohio's Indian Mound Reserve includes two prehistoric earthworks and a canyon where a battle was reputedly fought?
... that Ohio's <b id="mwDu4"><a href="./Indian_Mound_Reserve" id="mwDu8" rel="mw:WikiLink" title="Indian Mound Reserve">Indian Mound Reserve</a></b> includes two prehistoric <a href="./Earthworks_(archaeology)" id="mwDvA" rel="mw:WikiLink" title="Earthworks (archaeology)">earthworks</a> <i id="mwDvE">(one pictured)</i> and a canyon where a battle was reputedly fought?