Sources and transport of phosphorus in the western Lake Michigan drainages /
by Dale M. Robertson.

APA Citation

Robertson, D. M., National Water-Quality Assessment Program (U.S.)., Geological Survey (U.S.). (1996). Sources and transport of phosphorus in the western Lake Michigan drainages. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey.

MLA Citation

Robertson, Dale M, National Water-Quality Assessment Program (U.S.), and Geological Survey (U.S.). Sources And Transport of Phosphorus In the Western Lake Michigan Drainages. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 1996.