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Federal
National Inventory of Phosphorus (v1, 8.30.19) recent views
U.S. Environmental Protection Agency —
This is a project assessing the state of major input and outputs of reactive nitrogen (Nr) and phosphorus across the coterminous US at the HUC 8 scale for three... -
Federal
PHOSPHORUS INVENTORY FOR THE CONTERMINOUS UNITED STATES (2002-2012), updated legacy V2 recent views
U.S. Environmental Protection Agency —
This dataset contains estimates of phosphorus inputs and outputs for all HUC-8 subbasins across the contiguous United States for the years 2002, 2007, and 2012 as...