Ponderosa Ranch entrepreneur David Duffield in 2004. In September 2004 he closed the Ponderosa "indefinitely". Ponderosa Ranch The Ponderosa Ranch was a theme park based on the popular 1960s television western "Bonanza", which housed the affluent land, timber and livestock-rich Cartwright family. The amusement park operated in Incline Village, Nevada, near Lake Tahoe, from 1967 until 2004. Portions of the last five seasons of the TV series and three TV movies were also filmed at that location. The Ponderosa was the fictional setting for "Bonanza". According to the 9th episode ("Mr. Henry Comstock") in the first season, it was a thousand-square mile
Bonanza Kings Bonanza Kings The Bonanza Kings, also called the Silver Kings, was a nickname given to the four men who started a stock brokerage called "Flood and O'Brien", more commonly known as the Bonanza Firm. Bonanza is a Spanish term, meaning a rich ore body; in 1873, after gaining control of the Consolidated Virginia Mining Company, they discovered a large vertical ore body more than 1,200 feet deep which became known as the "big bonanza". In 1871, Irish-Americans John William Mackay, James Graham Fair, James Clair Flood and William S. O'Brien, organized the Consolidated Virginia Silver Mine near Virginia City, Nevada,