Attributes for NHDPlus version 2.1 catchments and modified routing of upstream watersheds for the conterminous United States: Combination of landuse and geology.
This tabular data represents the area of combined landuse and surficial materials for the conterminous United States linked to the NHDPlus version 2 data suite by the unique identifier COMID. The source data are the National Land Cover Dataset (NLCD) representing 2011 ground conditions (Homer, 2013) , and  the "Map …