403 IGA priorities for maintaining sites
where Grass fraction of IGA is equal to or greater than 0.44 (50th percentile)
4 IGA priorities for adding sites
29 HUC12 priorities for adding sites
where absolute value for IGA or HUC12 is equal to or greater than 244 KM2 (2 x mean IGA absolute value)
or IGA contains HUC12s where Grass is equal to or greater than 0.889 Fraction of Area (90th percentile)