LIDAR Reveals Subtle Ripples in the Forest Near Crater Lake · KUOW · EarthFix Using LIDAR imaging to map the forest floor around Crater Lake reveals details impossible to see with the naked eye. (tags: crater lake forest floor imaging LIDAR ) Condit Dam Removal Explained on Vimeo Brief video talking about the Condit Dam removal on Washington’s White Salmon River. (tags: White Salmon River Condit dam Columbia River water streams salmon habitat restoration restoration dam removal ) City birds use cigarette butts to smoke out parasites : Nature News & Comment Used cigarette butts help city birds keep parasites down in their nests. (tags: urban wildlife birds ) Mirrored from Nature Intrudes . Please comment over there.