Choctaw
... that Choctaw was one of only three semi-whaleback ships ever built?
... that <i id="mwCfw"><b id="mwCf0"><a href="./SS_Choctaw" id="mwCf4" rel="mw:WikiLink" title="SS Choctaw">Choctaw</a></b></i> was one of only three semi-<a href="./Whaleback" id="mwCf8" rel="mw:WikiLink" title="Whaleback">whaleback</a> ships ever built?