Terry L. Schertz

A workbook for preparing a district quality- assurance plan for water-quality activities

T. L. Schertz, Terry L. Schertz, Carolyn J.O. Childress, 1998 .

User's manual for the National Water Information System of the U.S. Geological Survey; Chapter 2, Water-quality system

Robert L. Taylor, Terry L. Schertz, Jonathon C. Scott, 1997 .

User's manual for the National Water Information System of the U.S. Geological Survey (USGS), Water-quality System (QWDATA)

Robert L. Taylor, Terry L. Schertz, Jonathon C. Scott, 2005 .