GIP 13 Potential changes in ground-water flow and their effects on the ecology and water resources of the Cape Cod National Seashore, Massachusetts, by J.P. Masterson and J.W. Portnoy
GIP 04 Water—Essential Resource of the Southern Flint River Basin, Georgia, by Debbie Warner and Virgil Norton
Ground water and the rural homeowner, by R.M. Waller