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Water quality of springs in the Valley and Ridge Physiographic Province in the upper Tennessee River basin, 1997 /
by Gregory C. Johnson.

APA Citation

Johnson, G. C., Geological Survey (U.S.)., National Water-Quality Assessment Program (U.S.). (2002). Water quality of springs in the Valley and Ridge Physiographic Province in the upper Tennessee River basin, 1997. Nashville, Tenn.: U.S. Dept. of the Interior, U.S. Geological Survey .

MLA Citation

Johnson, Gregory C, Geological Survey (U.S.), and National Water-Quality Assessment Program (U.S.). Water Quality of Springs In the Valley And Ridge Physiographic Province In the Upper Tennessee River Basin, 1997. Nashville, Tenn.: U.S. Dept. of the Interior, U.S. Geological Survey , 2002.

Warning: These citations may not always be complete (especially for serials).