Relief shown by spot heights. Depths shown by contours.
On sheet 1: This map, jointly produced by the Hydrogeology Unit, Institute of Geological Sciences, and the Anglian Water Authority, forms part of a research programme financed by the Department of the Environment ...
"NERC Copyright reserved, 1981."
On sheet 1: The base map is reproduced from Ordnance Survey maps.
Includes notes. Sheet 1 also includes text, graphs, and geological cross-section.
Ancillary maps: Relief and average annual rainfall (1941-1970) -- Distribution of chloride ion and total hardness in groundwater in the Chalk: and abstraction of groundwater from the Chalk, Crag, Drift, and Lower Greensand.