Relief shown by spot heights.
At head of title: Institute of Geological Sciences, Yorkshire Water Authority.
"This map, produced jointly by the Hydrogeology Unit, Institute of Geological Sciences, and the Directorate of Resource Planning, Yorkshire Water Authority, forms part of a research programme financed by the Department of the Environment ..."
"NERC Copyright reserved 1980."
"The base map is reproduced from Ordnance Survey maps."
Includes text, notes, graphs, and 2 geological cross-sections.
Ancillary maps: Saline water intrusion in the Chalk group around Kingston upon Hull -- Hydrochemistry and licensed abstractions -- Average annual rainfall (1941-70) and relief -- Key to regional water authorities and hydrometric areas.
1 map : col. ; 60 x 64 cm., on sheet 87 x 116 cm.
Groundwater England Yorkshire Maps.