Consider the city of Napa in California. It is the county seat of Napa County. Founded by Nathan Coombs in 1847, the City of Napa enjoyed its first business establishment a saloon, and by 1850 the Dolphin was the first steamship to naviagate the Napa River which opened another path of commerce for the city.
It was the GOld Rush in the late 1850s that really built up Napa.
