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Hydrologic technician Brendan Hallmark uses an ice auger to drill a hole in the frozen Pecatonica River at the Martintown, Wisconsin streamgage in winter.
Public Domain.
Hydrologic technician Brendan Hallmark drills a hole in the frozen Pecatonica River at the Martintown, Wisconsin streamgage in winter.
Hydrologic technician Brendan Hallmark drills a hole in the frozen Pecatonica River at the Martintown, Wisconsin streamgage in winter.
Pecatonica River at Martintown, Wisconsin streamgage in winter.
https://waterdata.usgs.gov/monitoring-location/05434500/
The path cleared of snow on the river contains drilled holes that are used to measure streamflow under the ice.
Pecatonica River at Martintown, Wisconsin streamgage in winter.
https://waterdata.usgs.gov/monitoring-location/05434500/
The path cleared of snow on the river contains drilled holes that are used to measure streamflow under the ice.
Hydrologic technician Brendan Hallmark drills a hole in the frozen Pecatonica River at the Martintown, Wisconsin streamgage in winter.
Hydrologic technician Brendan Hallmark drills a hole in the frozen Pecatonica River at the Martintown, Wisconsin streamgage in winter.
Pecatonica River at Martintown, Wisconsin streamgage in winter.
https://waterdata.usgs.gov/monitoring-location/05434500/
The path cleared of snow on the river contains drilled holes that are used to measure streamflow under the ice.
Pecatonica River at Martintown, Wisconsin streamgage in winter.
https://waterdata.usgs.gov/monitoring-location/05434500/
The path cleared of snow on the river contains drilled holes that are used to measure streamflow under the ice.
