Dismal Swamp Canal
...that Dismal Swamp Canal which runs along the edge of the Great Dismal Swamp in Virginia and North Carolina is the oldest continually operating man-made canal in the United States?
...that <b id="mwAf4"><a href="./Dismal_Swamp_Canal" id="mwAf8" rel="mw:WikiLink" title="Dismal Swamp Canal">Dismal Swamp Canal</a></b> which runs along the edge of the <a href="./Great_Dismal_Swamp" id="mwAgA" rel="mw:WikiLink" title="Great Dismal Swamp">Great Dismal Swamp</a> in <a href="./Virginia" id="mwAgE" rel="mw:WikiLink" title="Virginia">Virginia</a> and <a href="./North_Carolina" id="mwAgI" rel="mw:WikiLink" title="North Carolina">North Carolina</a> is the oldest continually operating man-made <a href="./Canal" id="mwAgM" rel="mw:WikiLink" title="Canal">canal</a> in the <a href="./United_States" id="mwAgQ" rel="mw:WikiLink" title="United States">United States</a>?