El Dorado County, California along with the population since the 1960 Winter Olympics, hosted at Squaw Valley Ski Resort in neighboring Placer County. The present-day site of El Dorado County was once home to the Maidu, Washoe, and Miwok Native American tribes, and is notable for being the site of the 1848 gold discovery that sparked the California Gold Rush. The County of El Dorado was one of California's original 27 counties created effective February 18, 1850 (the number has risen to 58 today). Its name is derived from the Spanish meaning "the gilded/golden". The final segments of the Pony Express mail route ran
Dorado Airport that operated charter flights between Dorado Airport and Luis Muñoz Marín International Airport in San Juan. The airline operated propeller airplanes. In the early 1990s, the airport was officially closed. In 1996, the parcel was rezoned and construction commenced of a master planned community: Dorado Beach East. In memory of Dorado Airport and its founder, Ms. Clara Livingston, the developers built a children's playground themed with unique play airplanes, a hangar for activities, and a runway plaza. Dorado Airport Dorado Airport or Dorado Beach Airport was a small single runway airport in Dorado, Puerto Rico. Clara Livingston, at the time