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Legend (r4/WatershedTable_Impervious)

Percentage of the watershed (HUC12) with impervious cover (NLCD 2006) >= 15 % (0)
0 - 1 0 - 1
1 -7.5 1 -7.5
7.5 - 15 7.5 - 15
15 - 30 15 - 30
30 - 50 30 - 50
50 - 100 50 - 100