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The HVO team also collected a sample of water from the well. Chemical analyses o

By Volcano Hazards Program
image related to volcanoes. See description
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Detailed Description

The HVO team also collected a sample of water from the well. Chemical analyses of the water will be conducted to determine and track changes in its composition. 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 S. Warren, 09-24-2019.

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Public Domain.