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A USGS researcher conducting a metabolism modeling study using a sonde, on the Colorado River below Glen Canyon Dam

By Southwest Biological Science Center
A USGS researcher is on a boat on the Colorado River, Glen Canyon looking a sonde, used for metabolism monitoring
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Detailed Description

A USGS researcher, Bridget Deemer, conducting a metabolism modeling study using a submerged sonde, on the Colorado River in Glen Canyon below Glen Canyon Dam. Photo by Freshwaters Illustrated for USGS.

Sources/Usage

Public Domain.