Search for: [Object description = "This type of flint is found in the Upper Jurrasic settlements of Świętokrzyskie Mountains. The most important exploration points and outcrops of this raw material are found on the northeastern Permo\-Mesozoic ridge, in the strip running from Iłża river to Zawichost \(Król and Migaszewski 2009\: 19\; por. Krajcarz et al., 2014\)"]