GPAA Claim LIDAR Maps Alabama GPAA Claim LIDAR Overlays (3) Arizona GPAA Claim LIDAR Overlays (3) California GPAA Claim LIDAR Overlays (12) Colorado GPAA Claim LIDAR Overlays (3) Idaho GPAA Claim LIDAR Overlays (4) New Mexico GPAA Claim LIDAR Overlays (3) South Dakota GPAA Claim LIDAR Overlays (2) Washington GPAA Claim LIDAR Overlays (1) Please know that all GPAA LIDAR map overlays have a contour interval of 20 feet.