Area coverage difference between 100K Topo extent (red outline) and 7.5-Minute Topo (black outline) extent.
By Communications and Publishing
2023 (approx.)
![Area coverage difference between 100K Topo extent (red outline) and 7.5-Minute Topo (black outline) extent.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/Quad%20comparison%20med.png?itok=AxACQ-zA)
Detailed Description
Area coverage difference between 100K Topo extent (red outline) and 7.5-Minute Topo (black outline) extent.
Sources/Usage
Public Domain.