The earliest research on the siliceous raw materials in the territory of Poland dates back to the first years after World War I. A patriarch of these studies was the archaeologist Stefan Krukowski (1890–1982). Together with Jan Samsonowicz (1888–1959), then a young geologist, they undertook a grand survey focused on flint deposits and prehistoric exploitation sites. The year 2022 brings a centennial celebration of their most prominent discovery: Krzemionki.
10.23858/APa
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