Sampling in a Wetland
Detailed Description
A USGS researcher samples within a hydrologically restored wetland unit at the Ottawa National Wildlife Refuge, OH, USA. Photo Credit: Glen S Carter, USGS.
Sources/Usage
Public Domain.
A USGS researcher samples within a hydrologically restored wetland unit at the Ottawa National Wildlife Refuge, OH, USA. Photo Credit: Glen S Carter, USGS.
Public Domain.