Includes bibliographical references and index.

OCCURENCE OF GROUNDWATER: Origin of groundwater -- Rock properties affecting groundwater -- Vertical distribution of groundwater -- Zone of aeration -- Zone of saturation -- Geologic formations as aquifers -- Types of aquifers -- Storage coefficient -- Groundwater basins -- Springs -- Hydrothermal phenomena -- Groundwater in permafrost regions -- Groundwater in the United States -- GROUNDWATER MOVEMENT: Darcy's law -- Permeability -- Determination of hydraulic conductivity -- Anisotrophic aquifers -- Groundwater flow rates -- Groundwater flow directions -- Dispersion -- Groundwater tracers -- General flow equations -- Unsaturated flow -- GROUNDWATER AND WELL HYDRAULICS: Steady undirectional flow -- Steady radical flow to well -- Well in a uniform flow -- Unsteady radical flow in a confined aquifer -- Unsteady radical flow in an unconfined aquifer -- Unsteady radical flow in a leaky aquifer -- Well flow near aquifer boundaries -- Multiple well systems -- Partially penetrating wells -- Well flow for special conditions -- Characteristic well losses -- Specific capacity -- WATER WELLS: Test holes and well logs -- Methods for constructing shallow wells -- Methods for drilling deep wells -- Well completion -- Well development -- Testing wells for yield -- Pumping equipment -- Protection of wells -- Well rehabilitation -- Horizontal wells -- GROUNDWATER LEVELS AND ENVIRONMENTAL INFLUENCES: The variation of levels -- Streamflow and groundwater levels -- Fluctuations due to evapotranspiration -- Fluctuations due to meteorological phenomena -- Fluctuations due to tides -- Urbanization -- Earthquakes -- External loads -- Land Subsidence and groundwater -- QUALITY OF GROUNDWATER: Sources of salinity -- Measuresof water quality -- Chemical analysis -- Graphic representations -- Physical analysis -- Biological analysis -- Groundwater samples -- Water quality criteria -- Changes in chemical composition -- Dissolved gases -- Temperature -- Saline groundwater -- POLLUTION OF GROUNDWATER: Pollution relation to water use -- Municipal sources and causes -- Industrial sources and causes -- Agricultural sources and causes -- Miscellaneous sources and causes -- Attenuation of pollution -- Distribution of pollution underground -- Evaluation of pollution potentional -- Monitoring groundwater quality -- MANAGMENT OF GROUNDWATER: Concepts of basin managment -- Equation of hyrdologic equilibrium -- Groundwater basin investigations -- Data collection and fieldwork -- Alternative basin yields -- Evaluation of perennial yield -- Salt balance -- Basim managment by conjunctive use -- Examples of groundwater management -- GROUNDWATER MODELING TECHNIQUES: Porous media models -- Analog models -- Electric analog models -- Digital computer models -- SURFACE INVESTIGATIONS OF GROUNDWATER: Geologic methods -- Remote sensing -- Geophysical exploration -- Electric resistivity method -- Seismic refraction method -- Gravity and magnetic methods -- Water witching -- SUBSURFACE INVESTIGATIONS OF GROUNDWATER: Test drilling -- Water level measurment -- Geophysical logging -- Resistivity logging -- Spontaneous potentional logging -- Radiation logging -- Temperature logging -- Caliper logging -- Fluid-conductivity logging -- Fluid-velocity logging -- Miscellaneous logging techniques -- Other subsurface methods -- ARTIFICIAL RECHARGE OF GROUNDWATER: Concept of artifical recharge -- Recharge methods -- Research on water spreading -- Wastewater recharge for reuse -- Recharge mounds -- Artifical recharge on Long Island, New York -- Induced recharge -- Artifical recharge for energy purposes -- SALINE WATER INTRUSUION AQUIFERS: Occurrence of saline water intrusion -- Ghyben-Herzberg relation between fresh and saline waters -- Shape of the fresh-salt water interface -- Structure of the fresh-salt water interface -- Upcoming of saline water -- Fresh-salt water relations on oceanic islands -- Seawater intrustion in karst terranes -- Control of saline water intrusion -- Examples of seawater intrusion -- Recognition of seawater in groundwater.