Description: <DIV STYLE="text-align:Left;"><DIV><P><SPAN>KARST_CAVE_DENSITY_IN is a polygon shapefile that shows the density (i.e., number per square kilometer) of mapped cave entrances in Silurian, Devonian, and Mississippian rocks in southern Indiana. Locations of individual cave entrances are not shown.</SPAN></P></DIV></DIV>