| http://www.w3.org/ns/prov#value | - Irrigation ditches are muddy and run at an elevation to gravity feed fields; drainage ditches are actually clear water below grade with frogs, muskrats, fish, turtles, cattails, dragonflies and other critters, they are not at all like sewers; lastly there are diversion ditches that distribute the water from the river to the irrigation ditches.
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