Washington State Dept. of Natural Resources on Twitter: "This is lidar. While I'd say it's "pretty dope," our geologists would say it reveals the geologic story of the landscape. Floods, faults, landslides, erosion, and glaciers leave their mark. While these marks can be hidden by water or dense vegetation, they can't hide from lidar. https://t.co/YpSPqV1L4k" / Twitter
