Numbers of sinkholes with minimum depth of 3m based on Sutherland's digital analysis. Click on cell for quadname and sinkhole count. Based on 3x3 cells over a topo quad. TN topo is about 60 sq miles, so each cell is about 6.7 sq miles. The highest density cell (153 sinkholes) is in the Talbott quadrangle.

55+ 20-55 10-20 1-10

See TN sinkholes