USGS Topographer at Work
![Image: USGS Topographer at Work](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/1ad.jpg?itok=P6x-ppD1)
Detailed Description
Topographer Jim Tennant making measurements with a Wild T-2 theodolite on Mount Trumball in Arizona.
Sources/Usage
Public Domain.
Topographer Jim Tennant making measurements with a Wild T-2 theodolite on Mount Trumball in Arizona.
Public Domain.