Dorado counties 1996-1998), Central Valley County (of western Merced and Fresno counties), and Sequoia County (of southern Humboldt and northern Mendocino 1992-1994). In Southern California, there are 6 proposed counties across the Los Angeles Metropolitan Area, within Los Angeles County (about 4) and Orange County (two North/West and East/South halves, its boundary on the Newport Freeway or Laguna Freeway). Mission County, to be formed from the northern portion of Santa Barbara County. A formal proposal was resoundingly rejected by voters in 2006. An earlier attempt in 1978 would have produced Los Padres County. High Desert County, to be formed largely from northern Los Angeles County as well as portions of San Bernardino County and Kern County. Proposed by late state senator Pete Knight (cf.) in 2002. A writer to the Los Angeles Times in 1997 indicated a sentiment from south Orange County residents that they would seek to secede from the county if it insisted on building a new airport on the former site of Marine Corps Air Station El Toro. The airport plan was eventually discarded in favor of the Orange County Great Park plan. Prior to the formation of Orange County, residents of Anaheim in 1870 pushed a bill in the state assembly for the creation of an Anaheim County. The proposal had the support of San Francisco. An attempt in the late 19th century (1870-80?) to create San Antonio County in present-day Los Angeles and San Bernardino counties. In 2002, residents of the city of Corona proposed Corona County to include the western edge of Riverside County. In the late 1980s, some residents of the Coachella Valley of Riverside County failed to create a new county: Cahuilla County. In 1988, there was a serious effort, including a vote on the subject, to divide San Bernardino County into its urban southwestern corner, which would have retained the name, and a new Mojave County to comprise the vast, sparsely populated northern and eastern portions. Colorado Platte County, authorized to be formed from Weld County in 1872 but never organized and then repealed in 1874. Delaware After 2000, a fourth Appoquinimink County was proposed to be carved out of New Castle County. The effort intended to end the zoning restrictions of the Unified Development Code on the undeveloped farmland. The proposed boundaries extended beyond the Appoquinimink Hundred to include all land south of the C&D Canal, with Middletown as the