Chemical and ecological health of white sucker (Catostomus commersoni) in Rock Creek Park, Washington, D.C., 2003-04 [electronic resource] / by Cherie V. Miller ... [et al.] ; prepared in copoeration with the National Park Service.
Imprint
Reston, VA : U.S. Dept. of the Interior, U.S. Geological Survey, 2006.
