1. Geologic map of the Barrymore quadrangle (V-59), Venus Author/Creator: Johnson, Jeffrey R., cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 1999 Format: Map Access & Availability: Loading
2. The Guinevere Planitia region of Venus in four map sheets Author/Creator: Geological Survey (U.S.), issuing body Publication/Creation: Denver, Colorado : For sale by USGS Information Services Format: Map Access & Availability: Loading