Bing found the following results
Fontana topographic map, elevation, terrain
Fontana, California - Wikipedia
Elevation of Fontana, CA, USA - Topographic Map - Altitude Map
Fontana Map - San Bernardino County, California, USA - Mapcarta
Fontana, CA | Data USA
Fontana, California, United States - What is my elevation?
Fontana, California - WorldAtlas
Fontana, California - Wikiwand
Fontana, CA Topographic Map - TopoQuest
U.S. Census Bureau QuickFacts: Fontana city, California