USGS Topographic Mapping Field Camp
![Image: USGS Topographic Mapping Field Camp](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/FC097-300.jpg?itok=MuNNLTcX)
Detailed Description
Topographic mapping crew poses in camp in the Cascade Mountains of Washington.
Sources/Usage
Public Domain.
Topographic mapping crew poses in camp in the Cascade Mountains of Washington.
Public Domain.