found: Work cat.: Rand McNally and Company. Streets of Summerlin, Spring Valley, c2007.
found: Summerlin, Nevada WWW site, Aug. 7, 2007(Summerlin; planned community being built by the Howard Hughes Corporation ... in southern Nevada, along the western rim of the Las Vegas Valley near the Spring Mountains and Red Rock Canyon National Conservation Area)
found: Rand McNally comm. atlas, 2007:(Summerlin (Rand McNally designated place); Clark [County], Nevada)
notfound: GNIS, Aug. 7, 2007;Col. gaz.;Web. geog.