Search for: [Subject and Keywords = lithic raw materials] OR [Subject and Keywords = silicite] OR [Subject and Keywords = chocolate flint] OR [Subject and Keywords = Stone Age mining] OR [Subject and Keywords = LiDAR survey] OR [Subject and Keywords = Poland] OR [Title = The Chocolate Flint Mines in the Udorka Valley \(Częstochowa Upland\) – a Preliminary Report on the Field and Lidar Surveys] OR [Creator = Sudoł\-Procyk, Magdalena] OR [Creator = Budziszewski, Janusz] OR [Creator = Krajcarz, Maciej T.] OR [Creator = Jakubczak, Michał] OR [Creator = Szubski, Michał]