Book excerpt: ... Describes the hydrologic and geologic characteristics of the stratified-drift aquifers - areal extent, saturated thickness, and transmissivity, ground-water levels, general directions of groundwater flow and yield of stratified drift and contributing area for selected aquifers after prolonged pumping; describes the general geohydrology of till and bedrock and water use and water yielding characteristics of the bedrock aquifer and documents groundwater quality; area covered in study includes Londonderry to New Castle, Beaver Brook, Little River, Spicket River and Powwow Rivers were the drainage sub-basins studied ...