----------------------------Original message---------------------------- I am hoping that someone working in either a map library or a geology department can help find the aforementioned map; it has proven to be very difficult map to track down. All I know about the map is that it's a 1:2,000,000 scale map produced in 1989 in Delft. The map is referenced in the International Association of Hydrogeologists (Vol. 17), Hydrogeological Maps: A Guide and a Standard Legend. Any help is greatly appreciated, please send all responses to: [log in to unmask]