MPCA water & sediment sampling
Note the water sampler in the left hand of Gerry Blaha, an MPCA employee, and, behind the right hand, the sediment sampler or dredge, which opens like a clamshell and grabs sediment samples. Photo courtesy of MPCA.
| The
Online Lower Minnesota River Watershed District News, June 2004
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MPCA water & sediment samplingNote the water sampler in the left hand of Gerry Blaha, an MPCA employee, and, behind the right hand, the sediment sampler or dredge, which opens like a clamshell and grabs sediment samples. Photo courtesy of MPCA. |