The data contained in these files contain topographic data collected by the CHARTS system along Lake Erie in New York and Pennsylvania. The data points representing bare earth have been classified as such using TerraScan with results provided in the classified las files. Classification value "1" means "Unclassified", "29" valid bathymetric, and a value of "2" means "Ground."
This data set is an LAZ (compressed LAS) format file containing LIDAR point cloud data.