Making a topographic map
![This is a illustration of a stereoscopic coverage of areas to be mapped.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/Making%20a%20topographic%20map.jpg?itok=F3FXgS99)
Detailed Description
Overlapping aerial photographs provide stereoscopic coverage of areas to be mapped.
Sources/Usage
Public Domain.
Overlapping aerial photographs provide stereoscopic coverage of areas to be mapped.
Public Domain.