USGS Cartographer at Work
![Image: USGS Cartographer at Work](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/MP021-300.jpg?itok=mJqF2j2I)
Detailed Description
Using a swivel graver with a steel straight edge to scribe a road onto the culture plate of a topographic map.
Sources/Usage
Public Domain.
Using a swivel graver with a steel straight edge to scribe a road onto the culture plate of a topographic map.
Public Domain.