Potential Karst and Sinkholes in Iowa as a Download

This dataset is all of the sinkholes and depressions that originated from the SSURGO spot data, and has been updated using LiDAR and historic photography to capture all known and historic sinkholes. Points that do not have a KPolyID are historic locations, whereas those that do have a KPolyID are currently expressed on the landscape. If a point has a KPolyID, the KPolyID links to the same field in the sinkhole_polys coverage. If the KPolyID is empty the sinkhole is an historic sinkhole and does not show up in the LiDAR data.