"1850 establishments in California" . "1891 establishments in California" . "Glenn County, California" . "States of the West Coast of the United States" . "Former Spanish colonies" . "California" . "California counties" . "Sacramento Valley" . "States of the United States" . "States and territories established in 1850" . "Populated places established in 1891" . "Western United States" . "Virus genera" .