Nitrogen inputs and stream N concentrations NRSA 2008-2009
This is a combined dataset that includes data for 1966 of the 2008-2009 National Rivers and Streams Assessment watersheds.  The data includes watershed N inputs and stream TN, TON and DIN concentrations. 

This dataset is associated with the following publication:
Bellmore, R., J. Compton, R. Brooks, E. Fox, R. Hill, …