Sum of sinkhole volume (104m3) for sinkholes with minimum depth of 3m based on Sutherland's digital analysis. TN topo is about 60 sq miles. Click on cell for quadname-cell and cumulative volume. Based on 3x3 cells over a topo quad. Cell with largest cumulative volume is Grassy Cove-7 at 3775 104m3. Next is Monterey Lake-4 at 905 104m3
100+

20-100
10-20

1-10
See TN sinkholes