Grand Canyon Superintendent Christine Lehnertz has been cleared of any wrongdoing as is returning to the park/NPS

Grand Canyon National Park Superintendent Christine Lehnertz, who was removed from her job last fall after undisclosed allegations were made against her, has been cleared of any wrongdoing and is returning to the park.

In an email to Grand Canyon staff, acting National Park Service Director Dan Smith on Thursday said an investigation into the allegations concluded they lacked credence.

"The investigation has been completed and I am extremely pleased to let you know the allegations were determined by OIG to be wholly unfounded," Smith wrote. "Chris has been fully exonerated of all allegations. Chris will be returning to the park soon to join all of you and assume her duties as superintendent. As we work out the details of her return, she asked me to send her appreciation to you for the work that you have done over the past several months in her absence."

When the investigation into the superintendent began last October, she was moved to an unspecified position in the Park Service.

Lehnertz had moved from Golden Gate National Recreation Area to the Grand Canyon in July 2016 to help the park overcome a long-running episode of sexual harassment,