Shingobee Headwaters - Great Wall of Shingobee
![USGS Scientist Dallas Hudson working on the expansion of the Great Wall of Shingobee.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/greatwall3.jpg?itok=7il9XC-d)
Detailed Description
USGS Scientist Dallas Hudson working on the expansion of the Great Wall of Shingobee, which allows for more accurate measurements of stream discharge from Shingobee Lake.
Sources/Usage
Public Domain.