USGS Estimated Agricultural Use of Pestice Maps Key Color Palette

From left to right: <0.02 lb/sq mi; 0.02-0.11 lbs/sq mi; 0.12-0.52 lbs/sq mi; >0.52 lbs/sq mi; No estimated use. Colors pulled to reference maps from: http://water.usgs.gov/nawqa/pnsp/usage/maps/compound_listing.php

Colors in Palette