5803 IGA priorities for maintaining sites
where IGA is in an under-represented decile with <7.5% of IGAs
(DrainageArea ≤70.4, >70.4 to ≤96.5, >96.5 to ≤124, >124 to ≤159, >159 to ≤240,
>240 to ≤402, >402 to ≤803, >803 to ≤2160)
2003 IGA priorities for adding sites
66128 HUC12 priorities for adding sites
where HUC12s are in an under-represented decile of variable range