Helena, Montana Area is 205th in size, as defined by Nielsen Media Research, and is the fifth smallest media market in the nation. Helena, Montana Helena is the state capital of the U.S. state of Montana and the county seat of Lewis and Clark County. Helena was founded as a gold camp during the Montana gold rush, and was established in 1864. Over $3.6 billion of gold was extracted in the city limits over a duration of two decades, making it one of the wealthiest cities in the United States by the late nineteenth century. The concentration of wealth contributed to the
Helena River catchment Nyaania Creek and on the southern side Piesse Brook are significant in their moving through built up areas which makes them susceptible to urban environment issues. Upper Helena catchment (i.e. above Mundaring Weir) has on the north side of Lake C.Y. O'Connor (formerly the Helena River Reservoir) a range of named creeks that occur in State Forest no 71 and 13: In the higher ground the Helena River passes mainly through State Forest or reserve. This has been beneficial for some of the catchment area, as it has been an important buffer between the urban settlements in the Mundaring