Preliminary assessment of sources of nitrogen in groundwater at a biosolids-application area near Deer Trail, Colorado, 2005 [electronic resource] / by Tracy J.B. Yager and Peter B. McMahon ; prepared in cooperation with the Metro Wastewater Reclamation District.
Publication Info.
Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2012.