EntityQ1975381· pop 9· linked from 8 articlesGIS DaySign in to saveannual geographic information systems public outreach dayConnectionsLibrary of CongressEntityHewlett-PackardCompanygeographic information systemEntitySun MicrosystemsEntityNational Geographic SocietyEntityUnited States Geological SurveyEntityRalph NaderEntityKing Saud UniversityEntityEsriCompanyAmerican Association of GeographersEntityRoger TomlinsonEntityJack DangermondEntityCategoriesGeographic information systemsHolidays and observances by scheduling (nth weekday of the month)Infobox holiday (other)November observancesWednesday observances