Guidelines for collection and field analysis of water-quality samples from streams in Texas

by Wells, Frank C.
Published: Dept. of the Interior, U.S. Geological Survey ; Books and Open-File Reports Section [distributor], 1990

Statistical summary of water-quality data collected from selected wells and springs in the Edwards aquifer near San Antonio, Texas

by Wells, Frank C.
Published: U.S. Dept. of the Interior, Geological Survey ; Open-File Services Section, Western Distribution Branch, 1985

Reconnaissance investigation of water-quality, bottom sediment, and biota associated with irrigation drainage in the Lower Rio Grande Valley and Laguna Atascosa National Wildlife R...

by Wells, Frank C.,
Published: U.S. Geological Survey, 1988

Computation and use of volume-weighted-average concentrations to determine long-term variations of selected water-quality constituents in lakes and reservoirs

by Wells, Frank C.,
Published: U.S. Geological Survey, 1984

Statistical summary of daily values data and trend analysis of dissolved-solids data at National Stream Quality Accounting Network (NASQAN) stations

by Wells, Frank C.,
Published: U.S. Geological Survey, 1983

Effects of October 1981 flood on the quantity and quality of water in selected streams and reservoirs in the Brazos River Basin, Texas

by Wells, Frank C.
Published: U.S. Dept. of the Interior, Geological Survey ; Open-File Services Section, Western Distribution Branch, 1984

Areal and temporal variations in the quality of surface water in hydrologic accounting unit 120301, Upper Trinity River Basin, Texas

by Wells, Frank C.
Published: U.S. Geological Survey, 1986

Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the Lower Rio Grande Valley and Laguna Atascosa National Wildlife R...

by Wells, Frank C.
Published: U.S. Geological Survey, 1988

Areal and temporal variations in the quality of surface water in hydrologic accounting unit 120301, Upper Trinity River Basin, Texas

by Wells, Frank C.
Published: U.S. Geological Survey, 1986

Statistical summary of daily values data and trend analysis of dissolved-solids data at National Stream Quality Accounting Network (NASQAN) stations

by Wells, Frank C.
Published: U.S. Dept. of the Interior, Geological Survey ; For sale by Open-File Services Section, Western Distribution Branch, U.S. Geological Survey, 1983

Effects of October 1981 flood on the quantity and quality of water in selected streams and reservoirs in the Brazos River Basin, Texas

by Wells, Frank C.
Published: U.S. Geological Survey ; Open-File Services Section, Western Distribution Branch, U.S. Geological Survey [distributor], 1984

Sources of trends in water-quality data for selected streams in Texas, 1975-89 water years

by Schertz, Terry L.,
Published: U.S. Geological Survey, 1994