Two herds of goats will be put to work this week to eat weeds and other vegetation growing downstream from the Mill Creek diversion dam near Walla Walla.
The Army Corps of Engineers says the first herd of about 200 goats will arrive on Thursday to work the south side of the Mill Creek channel.
A second herd of about 450 goats will arrive Saturday to eat vegetation on the north side of the creek.
The goats were hired under a $6,000 contract awarded to Lazy H Livestock of Grangeville, Idaho.
Goats were first tried out for the work last year as a way to control vegetation without using herbicides or burning.
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