The High Mountain Institute (HMI) is a non-profit educational organization located in Leadville, the populous city that is the county seat, and only incorporated municipality, in Lake County, Colorado in the United States.
The High Mountain Institute (HMI) is a non-profit educational organization located in Leadville, Colorado. 
Leadville is the statutory city that is the county seat and only incorporated municipality in Lake County, Colorado, United States. 
