GD6-5 - Primary and secondary sources
![](https://gistbok.ucgis.org/sites/default/files/styles/blog_image/public/BoK1_Cover_1.jpg?itok=6W4LRx5u)
- Explain the distinction between primary and secondary data sources in terms of census data, cartographic data, and remotely sensed data
- Describe a scenario in which data from a secondary source may pose obstacles to effective and efficient use
GD6-4 - Precision