References for Graphs and Diagrams 

Davis, Stanley N. and Roger J.M. DeWeist, Hydrogeology, John Wiley and Sons, 1966.

Fetter, C. W., Applied Hydrogeology, Merrill Publishing Company, 1988.

Freeze, R. Allan and John A Cherry, Ground Water, Prentice Hall, 1979.

Kehew, Alan E., Applied Chemical Hydrogeology, Prentice Hall, 2001.

Mazor, Emanuel, Chemical and Isotopic Groundwater Hydrology: The Applied Approach, Marcel Dekker Inc., 1991.

Zaporozec, Alexander, “Graphical Interpretation of Water-Quality Data”, Ground Water, Vol. 10, No. 2, pp 32-43, March-April 1972.