Harold "Butch" Ryan is the Safety & Environmental program manager for the US Geological Survey Volcano Science Center.
Detailed Description
Harold "Butch" Ryan is the Safety & Environmental program manager for the US Geological Survey Volcano Science Center. He work with multidisciplinary and multilingual volcano monitoring data and reports to help populate databases of volcanic eruption information for eruption forecasting and eruption event chronologies.
Sources/Usage
Public Domain.