Volunteerism alive and well at Hawaiian Volcano Observatory
![This is a photo of a USGS volunteer measuring surface electrical conductivity to deduce subsurface lava distribution.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/Volunteerism%20alive%20and%20well%20at%20Hawaiian%20Volcano%20Observatory.jpg?itok=9LFd72FB)
Detailed Description
USGS volunteer measuring surface electrical conductivity to deduce subsurface lava distribution near Pu`u `O`o.
Sources/Usage
Public Domain.
USGS volunteer measuring surface electrical conductivity to deduce subsurface lava distribution near Pu`u `O`o.
Public Domain.