Free Example LIDAR Overlays Free. Klondike Group Red Rock Canyon State Park Includes the LIDAR overlay with 20 foot contour intervals. . Read more Rated 5.00 out of 5 Free. Stonewall Mine Cuyamaca Rancho State Park Includes the LIDAR overlay with 20 foot contour intervals. . Read more Free. Reed Gold Mine NC Includes the LIDAR overlay with 20 foot contour intervals. . Read more Rated 4.00 out of 5