Givors canal
... that the Givors canal replaced 1,200 mules?
... that the <b id="mwDcw"><a href="./Givors_canal" id="mwDc0" rel="mw:WikiLink" title="Givors canal">Givors canal</a></b> <i id="mwDc4">(<a href="./Tartaras" id="mwDc8" rel="mw:WikiLink" title="Tartaras">Tartaras</a> lock pictured)</i> replaced 1,200 mules?