a flight of 22 locks
... that in eight years, the Somerset Coal Canal used three different ways of climbing a 130-foot (40 m) valley—first with caisson locks, then an inclined plane, and finally a flight of 22 locks?
... that in eight years, the <a href="./Somerset_Coal_Canal" id="mwBsc" rel="mw:WikiLink" title="Somerset Coal Canal">Somerset Coal Canal</a> used three different ways of climbing a <span about="#mwt77" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"130"},"2":{"wt":"ft"},"adj":{"wt":"on"}},"i":0}}]}' id="mwBsg" typeof="mw:Transclusion">130-foot (40</span><span about="#mwt77" typeof="mw:Entity"> </span><span about="#mwt77">m)</span> valley—first with <a href="./Caisson_lock" id="mwBsk" rel="mw:WikiLink" title="Caisson lock">caisson locks</a>, then an <a href="./Canal_inclined_plane" id="mwBso" rel="mw:WikiLink" title="Canal inclined plane">inclined plane</a>, and finally <b id="mwBss"><a href="./Combe_Hay_Locks" id="mwBsw" rel="mw:WikiLink" title="Combe Hay Locks">a flight of 22 locks</a></b>?