LiDAR has been flown multiple times over the Reserve area by the National Center for Airborne Laser Mapping (NCALM) and is housed at Open Topography.org. 2004 South Fork Eel River, CA Watershed Morphology 2009 South Fork Eel River, CA: Understanding Terrace Formation and Abandonment 2014 Eel River Critical Zone Observatory Lidar Survey 2004 LiDAR. Left processed into Bare-earth DEM. Right processed into Canopy elevation and Tree height. Darker green are taller trees.