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Publication Extents

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Definitions of database files and fields of the Personal Computer-Based Water Data Sources Directory
J. Wayne Green
1991, Open-File Report 91-184
This report describes the data-base files and fields of the personal computer-based Water Data Sources Directory (WDSD). The personal computer-based WDSD was derived from the U.S. Geological Survey (USGS) mainframe computer version. The mainframe version of the WDSD is a hierarchical data-base design. The personal computer-based WDSD is a relational...
Reconnaissance of the occurrence of agricultural chemicals in ground water in Haywood, Lake, Obion and Shelby Counties, Tennessee
D. W. Hanchar
1991, Water-Resources Investigations Report 90-4064
Data on the occurrence of agricultural chemicals in ground wafer in Tennessee are sparse. The surficial alluvial aquifer is an important source of domestic water supply in West Tennessee, and potentially is subject fo contamination from the application of agricultural chemicals in the area. Nineteen shallow wells completed in the...
Effects of septic-tank effluent on ground-water quality in northern Williamson County and southern Davidson County, Tennessee
D. W. Hanchar
1991, Water-Resources Investigations Report 91-4011
An investigation of the potential contamination of ground water from septic tank systems blasted in bedrock in Williamson and Davidson Counties, Tennessee, was conducted during 1988-89. Water samples were collected from domestic and observation wells, springs, and surface-water sites in a residential subdivision in the northern part of Williamson County...