Hydrologic technician Brendan Hallmark uses an ice auger to drill a hole in the frozen Pecatonica River at the Martintown, Wisconsin streamgage in winter.
Pecatonica River at Martintown, Wisconsin streamgage in winter
Detailed Description
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.
Sources/Usage
Public Domain.
Related

Hydrologic technician Brendan Hallmark uses an ice auger to drill 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.
Hydrologic technician Brendan Hallmark drills a hole in the frozen Pecatonica River at the Martintown, Wisconsin streamgage in winter.
Related

Hydrologic technician Brendan Hallmark uses an ice auger to drill a hole in the frozen Pecatonica River at the Martintown, Wisconsin streamgage in winter.
Hydrologic technician Brendan Hallmark uses an ice auger to drill 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.
Hydrologic technician Brendan Hallmark drills a hole in the frozen Pecatonica River at the Martintown, Wisconsin streamgage in winter.