On Wed, 20 Nov 2019 at 06:18, Joseph Eisenberg <joseph.eisenb...@gmail.com> wrote:
It looks like the original question is about man-made earth slopes, > That's how I interpreted the original question. however, and these are usually tagged man_made=embankment, with the > line at the top of the slope as previously mentioned. > Things get messy in the interface between OSM, the real world, and how we think about things. I generally think of embankments in connection with railways, where they raise the level of the track. They're not to stop things passing from one side to the other, just a cheap alternative to a bridge or other structure. However, the slopes discussed here are designed to stop bullets passing from one side to another, so they're functioning as walls. Then again, I've mapped several archaeological sites with earthen walls which are referred to by archaeologists as embankments. Note also that, in civil engineering, retaining walls made of earth are a thing. See this video explaining mechanically stabilized earth walls: https://www.youtube.com/watch?v=0olpSN6_TCc -- Paul
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