An earth and stone embankment over 1.5 m high, wider at the base, about 5 m, stretching in the NW - SE direction in a straight line and 400 meters long. It is also one of the longest archaeological formations? in the municipality of Dębno. We have no record of it, we do not know its function. One can only infer based on analogy with objects in other areas. Another rampart is mentioned by Marek Karolczak, 10 . On the NWN outskirts of Różańska, there is a hill, Świąt Góra ("Heiliger Berg"), and further a embankment of height like this one, but shorter, and the hilly terrain forces deviations from a straight line. Finds from there date back to the Iron Age or the early centuries of our era. Could the 400-meter embankment from Bogusław be of a similar age? Other interpretations are also possible, namely similar embankments were built in the north-eastern areas of today's Poland in the 13th and 14th centuries, and not only 11 . What could the functions of the shafts be? The first one has already been mentioned here, it is a defensive function. But the embankment could also define the course of the border, even in some disputed area. In our case, just behind the embankment, to the north and east of it, there are borders of fields, plots, maybe the center of a settlement, all visible only on the DTM map (a digital terrain model, made using the LIDAR technology). The forest branch line runs 400 meters parallel to the embankment, about 45 meters from it. The strip of land between the line and the embankment seems to be strewn with stones (maybe the size of a cabbage head, but also larger and smaller ones), for now the question remains whether they form cobblestones. A symmetrical belt accompanies the embankment on its opposite, north-eastern side, NEE. In the middle of each strip, along the entire length of 400 m, there is a shallow depression, 3 - 4 meters wide, but only 10 to 15 centimeters deep, which is practically unnoticeable in the field. Could it have been a kind of moat, which has been significantly filled in over the centuries? Presumably, these are not the only puzzles related to the shaft. Or maybe it's a trivial effect of forestry work?