Groundwater Sampling, Glacial Ridge National Wildlife Refuge
By Communications and Publishing
2019 (approx.)
![Groundwater Sampling, Glacial Ridge Refuge](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/Technician%20sampling%20groundwater.jpg?itok=R6Di3hVO)
Detailed Description
USGS technician Jody Hulne collects a groundwater nutrient sample at Glacial Ridge National Wildlife Refuge.
Sources/Usage
Public Domain.