"is an excellent guide for environmental project managers considering the use of geophysical logs or managing projects that involve their use. For individuals directly involved in the acquistion or analysis of log data it provides an outstanding foundation for technical growth. In view of the background and experience of the author it is also worthwhile addition to the reference libraries of experienced log analysis." --Robert W. Taylor, in Groundwater, March-April, 1999, Vol. 37, No. 2:170