From Infogalactic: the planetary knowledge core
Graff Crater is an impact crater in the Aeolis quadrangle of Mars, located at 21.4°S latitude and 206.3°W longitude. It is 158.0 km in diameter and was named after Kasimir Graff, and the name was approved in 1973.
- "Gazetteer of Planetary Nomenclature | Graff". usgs.gov. International Astronomical Union. Retrieved 4 March 2015.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>