Channelized lava flow
![channelized lava flow](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/semitube_L.jpg?itok=RB7nmNV3)
Detailed Description
July 23 A channelized lava flow resulting from a July 19 breakout courses down Pulama pali. By the time this picture was taken, four days after the initial breakout, the channel was partially roofed over--the first stage of tube formation
Sources/Usage
Public Domain.