Photo of toe of lava
![Photo of toe of lava](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/20030331-2444_DAS_large.jpg?itok=5W1gkCON)
Detailed Description
Fifty seconds later, crust has cooled, thickened, and developed definite corrugations as free flow of lava is impeded by flat, grassy surface.
Sources/Usage
Public Domain.
Fifty seconds later, crust has cooled, thickened, and developed definite corrugations as free flow of lava is impeded by flat, grassy surface.
Public Domain.