Mode of access: Internet from the USGS Astrogeology Program web site. Address as of 11/16/09: http://planetarynames.wr.usgs.gov/; current access is available via PURL.
Title from home page last updated Nov. 10, 2009 (viewed on Nov. 16, 2009). "The Gazetteer of Planetary Nomenclature project and web site is maintained by the Planetary Geomatics Group of the USGS Astrogeology Research Program." "This edition of the Gazetteer of Planetary Nomenclature supersedes earlier informal volumes distributed by the U.S. Geological Survey (USGS) in 1986 as Open-File Report 84-692 (Masursky, Harold and others, 1986), and in 1994 as U.S. Geological Survey Bulletin 2129 (Batson and Russell, editors)"--Pref.