Beam Farm
... that both the Adena and the Hopewell left artifacts at southwestern Ohio's Beam Farm?
... that both the <a href="./Adena_culture" id="mwAZM" rel="mw:WikiLink" title="Adena culture">Adena</a> and the <a href="./Hopewell_tradition" id="mwAZQ" rel="mw:WikiLink" title="Hopewell tradition">Hopewell</a> left <a href="./Artifact_(archaeology)" id="mwAZU" rel="mw:WikiLink" title="Artifact (archaeology)">artifacts</a> at southwestern <a href="./Ohio" id="mwAZY" rel="mw:WikiLink" title="Ohio">Ohio</a>'s <b id="mwAZc"><a href="./Beam_Farm_Woodland_Archaeological_District" id="mwAZg" rel="mw:WikiLink" title="Beam Farm Woodland Archaeological District">Beam Farm</a></b>?