An Oklahoma couple are accused of burying an 11-year-old girl, digging up her remains and moving the body from state to state for more than a year.

Abel Wolf, 35, and Denise Wolf, 40, were being held without bail Tuesday in Havre, charged with tampering with or fabricating physical evidence.

A spokeswoman for the Oklahoma Bureau of Investigation, Jessica Brown, says relatives told police in Oklahoma that the couple's 11-year-old daughter, Cheyenne, was missing, after the Wolfs began a string of moves through Montana and Oregon.

Police discovered the remains in a storage unit used by the couple in the Milton-Freewater area in Oregon.

Based on signed affidavits by two people, Brown says the remains are Cheyenne's.