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A former Ute tribal leader in Utah has been sentenced to 30 years in federal prison for sexually abusing a girl from the time she was 10 years old until she was 16.

A spokesman for the U.S. Attorney for Utah says Richard Jenks Jr., 58, of Fort Duchesne, was found guilty during a January trial of one count of aggravated sexual abuse of a child and two counts of a sexual abuse of a minor.

On Friday, U.S. District Judge Clark Waddoups sentenced Jenks to prison, followed by supervised release for life, which includes sex-offender registration.

Jenks has served more than one term on the Ute Tribe Business Committee, representing members of the tribe's Uncompahgre Band.

The six-member panel exercises executive and legislative power on the Uintah-Ouray Indian Reservation in northeastern Utah.

His most recent term ended in April 2013.