After collecting a sample from the well using the narrow sampler shown, HVO staf
Detailed Description
After collecting a sample from the well using the narrow sampler shown, HVO staff transfer the water sample into a container. The water is collected periodically for chemical analyses so that changes in the water composition can be tracked. For more information about the Keller Well, please see HVO's Dec. 20, 2018, "Volcano Watch" article: https://volcanoes.usgs.gov/observatories/hvo/hvo_volcano_watch.html?vwi…. USGS photo by L. DeSmither.
Sources/Usage
Public Domain.