Natural Pathways in the Stonehenge Landscape

Having featured Joseph Lewis's work on Natural terrestrial corridors to Stonehenge -  https://www.sarsen.org/2024/04/natural-terrestrial-corridors-from.html   I must note a much earlier work of similar work on a more local scale which is still of interest:

Click image to enlarge - original and much more in:

Bellavia, G. (2002). Extracting ``natural pathways'' from a digital elevation model:. In: n.e. Archaeological informatics:. Oxford: Archaeopress. pp. 5-12.