24 September 2004 - 1431
![This is a photo of PKK lava tube.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/1431.jpg?itok=csRN2Iex)
Detailed Description
Looking up PKK lava tube toward Pu`u `O`o (upper left). Newly formed skylight in lower left. Fume and altered rock (white) define course of tube. 1431.
Sources/Usage
Public Domain.
Looking up PKK lava tube toward Pu`u `O`o (upper left). Newly formed skylight in lower left. Fume and altered rock (white) define course of tube. 1431.
Public Domain.