In 'Bonanza', what is the name of the Cartwright family ranch?

In 'Deadwood', in which territory is the series set? In 'Lonesome Dove', which two actors played the retired Texas Rangers? In 'Gunsmoke', in which Kansas town is the series set? Which Western series ran for 20 seasons on CBS, from 1955 to 1975? In 'Dallas', what is the name of the Ewing family ranch? In 'Dynasty', which actress played Alexis Colby? In 'Knots Landing', from which show did the series spin off? Which prime-time soap opera was a spin-off of 'Beverly Hills, 90210'?