USGS Topographers at Work
![Image: USGS Topographers at Work](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/FG050-300.jpg?itok=vrIMw5vX)
Detailed Description
USGS topographer using a Topcon Guppy in the dunes of Saline Valley in Death Valley, California
Sources/Usage
Public Domain.
USGS topographer using a Topcon Guppy in the dunes of Saline Valley in Death Valley, California
Public Domain.