The term 'Western City on the Humboldt River' can be summarized as Elko, a four-letter city located in the western United States. Elko is situated on the Humboldt River in Nevada and is the largest city in the county of Elko. It is known for its mining industry, which has been a major part of the local economy since the 19th century. Elko is also home to a number of cultural attractions, including the Western Folklife Center, the Northeastern Nevada Museum, and the Ruby Mountain Balloon Festival.