During the Second International Flint Symposium held at Maastricht on May 8-11th 1975, a resolution was passed concerning the present state of preservation of the Rijckholt flint mines near Maastricht, one of the principal prehistoric monuments in the Netherlands. This resolution we are requested to submit to you for consideration. The Flint Symposium is the recognised International Organisation for the study of flint, bringing together archaeologists, geologists and scientists from many countries. It represents all the universities and is organised with the assistance of a Committee of Recommendation of the following individuals, representing many of the most important Netherland organisations in this field: Mr. Dr. C.J.M.A. van Rooy Queen’s Commissioner for Limburg Mr. Dr. R. Hotke Director General Department for the arts of the Ministry of Education Dr. J. Verhoeve Director General of the Department for Education and Recreation of the Ministry of Education Prof. Dr. W.A. van Es Head of the National Bureau of Archaeology Dr. A. Thiadens Head of the National Bureau of Geology Ir. A. Hellemans Former Member of the Board of Staatsmijnen/ DSM Ir. J. Verkoren Head of the Forestry Commission Prof. Dr. H.T. Waterbolk Head of the Biological & Archaeological Institute Groningen.