Chlorimuron map of use, USA, 2011 (estimated)
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external free" href="https://water.usgs.gov/nawqa/pnsp/usage/maps/show_map.php?year=2011&amp;map=CHLORIMURON&amp;hilo=L&amp;disp=Chlorimuron">http://water.usgs.gov/nawqa/pnsp/usage/maps/show_map.php?year=2011&amp;map=CHLORIMURON&amp;hilo=L&amp;disp=Chlorimuron</a>