Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Average Atmospheric (Wet) Deposition of Inorganic Nitrogen, 2002
This data set represents the average atmospheric (wet) deposition, in kilograms per 
square kilometer, of inorganic nitrogen for the year 2002 compiled for every catchment 
of NHDPlus for the conterminous United States. The source data set for wet deposition 
was from the USGS's raster data set atmospheric (wet) …