Here's a clear indication of Elko's housing shortage: Miners aged 55 and over, unable to find space anywhere else, are renting rooms at the Highland Estates Retirement Apartments.And their city needs more than housing, Elko leaders told the development community in Reno last week.The rapid growth of Elko County creates pressing needs for more retail and commercial development as well as supporting infrastructure, representatives of the city's business and economic leadership told about 200 people at a meeting in Reno last week.Listening were developers, bankers, architects and others who typically grease the wheels of new development.Unprecedented gold prices $1,540 per …