Fascinating to see that this particular pattern in the south is another phenomenon influenced by ancient geology: https://geospatial.com/the-blue-swoosh-and-the

Fascinating to see that this particular pattern in the south is another phenomenon influenced by ancient geology: https://geospatial.com/the-blue-swoosh-and-the-black-belt-at-the-cross-section-of-geology-and-human-geography/ https://geospatial.com/the-blue-swoosh-and-the-black-belt-at...