A preliminary assessment of nitrate sources was conducted in three creeks that feed nutrient impaired Falls and Jordan Lakes in the vicinity of Durham County, North Carolina, from July 2011 to June 2012. Cabin Branch, Ellerbe Creek, and Third Fork Creek w
McSwain, Kristen Bukowski,Young, Megan B. mbyoung@usgs.gov,Giorgino, Mary L. giorgino@usgs.gov. Use of stable isotopes of nitrogen and water to identify sources of nitrogen in three urban creeks of Durham, North Carolina, 2011-12. 2014-01-01.