The Classified Point Cloud LAS files consist of 5 different classifications: Unclassified, Ground, Noise, Water and Ignored Ground. Merrick used the Leica ALS50 sensor. Merrick & Company flew a mapping mission in April/May 2007 to capture aerial photography over 539 square miles of Lake County, Illinois.
This data set is an LAZ (compressed LAS) format file containing LIDAR point cloud data.