This LiDAR data is within Illinois Department of Transportation District 1 and includes Kane County, Illinois. The data is updated from its original format to LAS version 1.2. The LiDAR data was collected in April 2008 as 'Kane Co., IL LiDAR' and was Task Order Number: 3. Data was acquired by Quantum Spatial, Inc as project 1080208. The sensor used was Optech ALTM 3100 equipped with an inertial measuring unit (IMU) GPS receiver. The acquisition was to produce bare earth ASCII, LAS data and 2 foot contour Shapefiles.