Northern California (English Wikipedia)

Smith, Thomas (April 23, 2023). "Where Does Southern California Stop and Northern California Start?". Bay Area Telegraph. Archived from the original on April 25, 2023. Retrieved April 25, 2023.

bizjournals.com

"San Jose's SJC flies past SFO to the top of rankings as America's best-run airport". Silicon Valley Business Journal. Archived from the original on May 17, 2017. Retrieved November 2, 2017.

books.google.com

John E. Kent, ed. (1917). Kent Guide Manual (Harrison Narcotic Law) and Progressional Registry. San Francisco: The Service Press. p. 6.
Peter Berg (2014). Cheryll Glotfelty; Eve Quesnel (eds.). The Biosphere and the Bioregion: Essential Writings of Peter Berg. Routledge. p. 265. ISBN 9781134504091. Archived from the original on October 23, 2023. Retrieved October 9, 2023.

ca.gov

parks.ca.gov

"Sutter's Fort Historic State Park". California Department of Parks & Recreation. Retrieved February 10, 2007.
"American Transition to Early Statehood". California Department of Parks & Recreation. Retrieved February 10, 2007.

sonomacounty.ca.gov

"Home | County of Sonoma". sonomacounty.ca.gov. Retrieved July 29, 2021.

calaborfed.org

"California Labor History Archive". California Labor Federation. October 29, 2016. Retrieved July 29, 2021.

californiaprehistory.com

R.F. Heizer (1966). "California Indian Tribes map". CaliforniaPrehistory.com. Archived from the original on April 30, 2011. Retrieved February 10, 2007.

ccul.org

"Northern California". www.ccul.org. January 26, 2021. Retrieved July 29, 2021.

cdlib.org

countingcalifornia.cdlib.org

"Historical census data by U.S. Census Bureau". Archived from the original on December 31, 2003. Retrieved February 6, 2019.

census.gov

"1860 Census: Population of the United States". The United States Census Bureau. Retrieved October 10, 2020.
"U.S. Census website". United States Census Bureau. Retrieved February 6, 2019.
"U.S. Census Bureau QuickFacts". United States Census Bureau. Retrieved September 3, 2021.

csustan.edu

library.csustan.edu

"[E]vents from January 1848 through December 1855 [are] generally acknowledged as the 'Gold Rush' .... After 1855, California gold mining changed and is outside the 'rush' era." "The Gold Rush of California: A Bibliography of Periodical Articles". California State University, Stanislaus. 2002. Archived from the original on March 12, 2012. Retrieved January 23, 2008.

drought.gov

"Advancing Drought Science and Preparedness across the Nation". National Integrated Drought Information System. Archived from the original on November 11, 2018. Retrieved November 11, 2018.

faa.gov

"Passenger Boarding (Enplanement) and All-Cargo Data for U.S. Airports – Airports". Faa.gov. Retrieved February 6, 2019.

fortross.org

"Russian Expansion to America (Russian American Company in California)".

grist.org

"Living shorelines could help California coasts adapt to rising sea levels". Grist. June 15, 2021. Retrieved July 29, 2021.

hcn.org

Wiles, Tay (January 22, 2018). "A separatist state of mind". High Country News. Archived from the original on June 17, 2018. Retrieved August 23, 2018.

latimes.com

Myers, John (June 13, 2018). "Radical plan to split California into three states earns spot on November ballot". Los Angeles Times. Retrieved June 14, 2018.
Boxall, Bettina; St. John, Paige (November 10, 2018). "California's most destructive wildfire should not have come as a surprise". Los Angeles Times. Retrieved November 11, 2018.

museumsiskiyoutrail.org

"Hunters and Trappers at Upper Soda Springs". Museum of the Siskiyou Trail. Retrieved February 10, 2007.

nanpa.com

For current information, see nanpa.com, the North American Numbering Plan Administration site.

news.google.com

Morgan, Neil (April 19, 1963). "Westward Tilt: Northern California". Lodi News-Sentinel. Lodi, California. Retrieved September 7, 2014.

nps.gov

"Juan Rodríguez Cabrillo: A Voyage of Discovery". U.S. National Park Service. Retrieved February 10, 2007.
"Introduction--Early History of the California Coast--A National Register of Historic Places Travel Itinerary". www.nps.gov. Retrieved July 29, 2021.

rediscoveringthegoldenstate.com

O'Keefe, Rob (August 9, 2017). "Finding California's Geographic Center". Rediscovering the Golden State. Retrieved May 12, 2023.

sapiens.org

Sep 2019, Megan I. Gannon / 4 (September 4, 2019). "The Knotty Question of When Humans Made the Americas Home". SAPIENS. Retrieved July 29, 2021.{{cite web}}: CS1 maint: numeric names: authors list (link)

spur.org

Metcalf, Gabriel; Terplan, Egon (November–December 2007). "The northern California megaregion". The Urbanist. San Francisco Planning and Urban Research Association. Retrieved November 21, 2009.
The Northern California Megaregion, p.22, SPUR, 2007.

web.archive.org

Smith, Thomas (April 23, 2023). "Where Does Southern California Stop and Northern California Start?". Bay Area Telegraph. Archived from the original on April 25, 2023. Retrieved April 25, 2023.
Peter Berg (2014). Cheryll Glotfelty; Eve Quesnel (eds.). The Biosphere and the Bioregion: Essential Writings of Peter Berg. Routledge. p. 265. ISBN 9781134504091. Archived from the original on October 23, 2023. Retrieved October 9, 2023.
Wiles, Tay (January 22, 2018). "A separatist state of mind". High Country News. Archived from the original on June 17, 2018. Retrieved August 23, 2018.
R.F. Heizer (1966). "California Indian Tribes map". CaliforniaPrehistory.com. Archived from the original on April 30, 2011. Retrieved February 10, 2007.
"[E]vents from January 1848 through December 1855 [are] generally acknowledged as the 'Gold Rush' .... After 1855, California gold mining changed and is outside the 'rush' era." "The Gold Rush of California: A Bibliography of Periodical Articles". California State University, Stanislaus. 2002. Archived from the original on March 12, 2012. Retrieved January 23, 2008.
"Advancing Drought Science and Preparedness across the Nation". National Integrated Drought Information System. Archived from the original on November 11, 2018. Retrieved November 11, 2018.
"Historical census data by U.S. Census Bureau". Archived from the original on December 31, 2003. Retrieved February 6, 2019.
"San Jose's SJC flies past SFO to the top of rankings as America's best-run airport". Silicon Valley Business Journal. Archived from the original on May 17, 2017. Retrieved November 2, 2017.

worldcat.org

Bancroft, Hubert Howe (1886). History of California, 1840–1845, Volume 4. A. L. Bancroft. OCLC 9475460.
Richards, Rand, 1949- (1991). Historic San Francisco : a concise history and guide. San Francisco: Heritage House Publishers. ISBN 1-879367-00-9. OCLC 23463043.{{cite book}}: CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link)