The Tres Rios Field Office (TRFO) is
responsible for the management and
stewardship of more than 664,000
acres of public land in southwestern
Colorado. TRFO also administers more
than 300,000 acres of federal mineral
estate underlying private lands
(known as split estate) and has trust
responsibility for mineral management
on 800,000 acres of Tribal lands.
Public lands in the TRFO are incredibly
diverse and rich in natural and
cultural resources. From the
spectacular Rocky Mountain scenery of
the Alpine Triangle to the wealth of
Ancestral Puebloan sites in the Four
Corners area, Tres Rios lands and
resources are truly a national treasure!
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