# Digital raster graphic

> image files resulting from scans of USGS topographic maps

**Wikidata**: [Q5276145](https://www.wikidata.org/wiki/Q5276145)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Digital_raster_graphic)  
**Source**: https://4ort.xyz/entity/digital-raster-graphic


## References

1. [Source](http://topomaps.usgs.gov/drg/drg_overview.html)
2. [Source](https://www.loc.gov/preservation/digital/formats/fdd/fdd000292.shtml)