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Digging a PBO site out from the snow.

By Volcano Hazards Program 1905 (approx.)
Digging a PBO site out from the snow....
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A UNAVCO field engineer digs a buried PBO GPS station out from the snow to replace a failed cellular communication device in 2017. Accessing the site required 60 miles of snowmobiling and then a 20 minute hike through waste deep snow. Photo by Mike Gottlieb.