Bonanza song, the Livingston-Evans lyrics were revised by Lorne Greene with a more familial emphasis, "on this land we put our brand, Cartwright is the name, fortune smiled the day we filed the Ponderosa claim" ("Bonanza", Bear Family Box set, Disc #2). In 1968, a slightly revamped horn and percussion-heavy arrangement of the original score introduced the series- which was used until 1970. A new theme song, called "The Big Bonanza" was written in 1970 by episode scorer David Rose, and was used from 1970–1972. Action-shot pictorials of the cast replaced the galloping trio. Finally, a faster rendition of the original
Movie ranch evenly split between movies and television episodes, were filmed at the ranch during its peak years. The long-running TV western "The Virginian" filmed on location at Iverson in the ranch's later period, as did "Bonanza" and "Gunsmoke." By the 1960s, the ownership of the ranch was split between two of Karl and Augusta's sons, with Joe Iverson, an African safari hunter married to Iva Iverson, owning the southern half of the ranch (the Lower Iverson) and Aaron Iverson, a farmer married to Bessie Iverson, owning the northern half (the Upper Iverson). In the mid-1960s the state of California began construction