The Neolithic tomb discovered in Rybno near Sochaczew discovered and examined by Konrad Jażdżewsk 1935. It was a
megalithic grave 45-50 m long and up to 9 m wide. The boulders with a diameter of about 1 m, sealed with small stones, which created a structurally flat wall of the building. In the frontal part, an irregular cobblestone was uncovered, within which
3 Funnelbeaker culture graves were placed. Under the stone pavement, a stone ax with a button-shaped head and a vessel called a flask with a ruff were discovered.
See:
- Barbara Sałacińska, Sławomir Sałaciński , Rewolucja neolityczna na Mazowszu. Początki nowoczesnej gospodarki, MAZOWSZE Studia Regionalne 5 (2010) pp. 51-72