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Shallow ground-water quality adjacent to burley tobacco fields in northeastern Tennessee and southwestern Virginia, Spring 1997
Johnson, Gregory C.2001
Shallow ground-water quality adjacent to burley tobacco fields in northeastern Tennessee and southwestern Virginia, Spring 1997
Gregory C Johnson2001
Water quality of springs in the Valley and Ridge Physiographic Province in the upper Tennessee River basin, 1997
Johnson, Gregory C.2002
Environmental setting and water-quality issues of the Mobile River basin, Alabama, Georgia, Mississippi, and Tennessee
Johnson, Gregory C.2002
Hydrologic data of two wetlands at Spring City, Tennessee, December 1991 through November 1992
Gregory C Johnson1995
Water quality of springs in the Valley and Ridge Physiographic Province in the upper Tennessee River basin, 1997
Gregory C Johnson2002
A seepage investigation of an area at and near Oak Ridge National Laboratory, Oak Ridge, Tennessee, March through August 1993
Gregory C Johnson1996