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
Samuel A. Cartwright Samuel A. Cartwright Samuel Adolphus Cartwright (November 3, 1793 – May 2, 1863) was a physician who practiced in Mississippi and Louisiana in the antebellum United States. Cartwright is best known as the inventor of the 'disease' of drapetomania and an outspoken critic of germ theory. During the American Civil War he joined the Confederate States of America and was assigned the responsibility of improving sanitary conditions in the camps about Vicksburg, Mississippi, and Port Hudson, Louisiana. Cartwright was born in Fairfax County, Virginia, to Mr. and Mrs. John S. Cartwright. Prior to 1812, he began his medical training as