Police involved in the continuing job of identifying women slain by B.C. serial killer Robert Pickton are asking for the public's help.

In a news release issued Saturday, the RCMP released a composite sketch of a woman believed to have been one of the victims of the former pig farmer.

On Feb. 23, 1995, a hiker filling a water bottle from a creek just south of Highway 7, about 800 metres east of the Ruskin Bridge in Mission, discovered a partial skull with an attached vertebra, the RCMP said.

Experts in forensic anthropology, biology, forensic entomology, forensic odontology and human anatomy analyzed the remains in an effort to identify them, the release said.

In August 2002, bones recovered during the search of Pickton's farm in Port Coquitlam were confirmed to be genetically linked to the partial skull.

Investigators worked with a forensic sketch artist with the U.S. Federal Bureau of Investigation to develop a composite drawing based on what was learned from her skull by all the experts who had examined it.

Her DNA profile was provided to every laboratory in Canada, and the composite drawings shared with Interpol’s 188 member countries for comparison with their missing person files.

Here is what investigators have been able to determine about Jane Doe:

• Caucasian female, 20 to 40 years old.
• Death would have been sometime between about 1985 and 1995.
• Missing teeth in the upper right portion of her jaw, may have worn dentures.

It is possible that this woman’s family does not know that she is missing, or may be under the mistaken belief that she was reported missing and there is a file open, the Mounties said. As well, the release cautioned, the hair, nose, lips and jaw are only an approximation.

“We believe someone out there knows who Jane Doe is and can help solve this mystery,” Sgt. Dan Almas with Project Evenhanded said in the news release. “Somebody knew her and her family deserves to know what has happened.”

Anyone who has any information about the identify of Jane Doe is asked to contact the Missing Women Task Force toll free tip line at 1-800-687-3377.