What is Central Valley?
{{Infobox valley | name = Central Valley | other_name = Great Central Valley, Great Valley, Golden Empire | photo = Californiacentralvalley.jpg | photo_width = | photo_caption = Farmland of the Central Valley as seen from the air | photo_alt = | image_map = California Central Valley.gif | map_width = 256 | map_alt = | map_caption = United States Geological Survey map of their defined four major regions of the Central Valley | label = | label_position = | coordinates = {{coord|37|N|120.3|W|display=inline,title}}<ref>{{cite gnis|id=252254|name=Central Valley}}</ref> | location = [[California]], United States | elevation = | elevation_m = | elevation_ft = | elevation_ref = | direction = | length = {{convert|450|mi|km|abbr=on}} | width = {{convert|40|to|60|mi|km|abbr=on}} | area = {{convert|18000|mi2|km2|abbr=on}}<ref name=area>{{cite web |url=http://www.amnh.org/explore/curriculum-collections/grace/grace-tracking-water-from-space/california-central-valley |title=California Central Valley|publisher=American Museum of Natural History |url-status=live |archive-url=https://web.archive.org/web/20161029043744/http://www.amnh.org/explore/curriculum-collections/grace/grace-tracking-water-from-space/california-central-valley |archive-date=October 29, 2016}}</ref> | depth = {{convert|2000|to|6000|ft|m|abbr=on}} | type = Alluvial | age = 2–3 million years | boundaries = {{enum|[[Sierra Nevada (U.S.)|Sierra Nevada]] (east)|[[Cascade Range]]|[[Klamath Mountains]] (north)|[[California Coast Ranges|Coast Range]]|[[San Francisco Bay]] (west)|[[Tehachapi Mountains]] (south)}} | topo = | towns = {{enum|[[Sacramento, California|Sacramento]]|[[Fresno, California|Fresno]]|[[Bakersfield, California|Bakersfield]]|[[Stockton, California|Stockton]]|[[Modesto, California|Modesto]]}} | traversed = {{enum|[[Interstate 5]]|[[Interstate 80]]|[[California State Route 99|Sta