Notes on the Tertiary and Pleistocene Geology of East Gelderland, The Netherlands

E. Van Rees Vellinga & N. A. De Ridder
A detailed hydrogeological survey was carried out in the eastern part of the province of Gelderland from 1964 to 1967. The objective of this survey was to provide basic data required for the planning of a further extension of the present groundwater extraction, in order to meet the increasing demand for water for domestic and industrial use. In this paper some of the more interesting findings of the geological investigations are given. The investigated area...