Hydrogeology (Four Books): Hydrogeology: The Geology of North America; Physical and Chemical Hydrogeology; Groundwater Hydrology; Hydrology For Engineers

Hydrogeology: The Geology of NA: Copyright 1988 by The Geological Society of America, Inc.; P&C Hydrogeology: Copyright 1990 by John Wiley & Sons, Inc.; Groundwater Hydrology: Copyright 1980 by John Wiley & Sons, Inc.; Hydrology For Engineers: Copyright 1958 by McGraw-Hill Book Company, Inc.