Ontario Provincial Police are renewing their efforts to identify a woman whose remains were discovered in May 1975.

A local farmer discovered the remains in the Nation River near the Highway 417 bridge, south of Casselman, Ont. The woman became known as the Nation River Lady.

Investigators are re-introducing the case in an effort to identify the woman. They have released a 3D clay facial reconstruction of the woman using new technology.

She is described as white, between 25 and 50 years old, between 5'2" and 5'8" in height, average build and about 100 pounds with brown hair that was dyed a reddish blond. 

Her body was wrapped with two pieces of green cloth, two towels - one depicting an Irish Toast and the second displaying multiple flowers.

Additionally, a j-cloth, black coaxial cable and a curtain rod runner were with the body. Her hands and feet were bound with neckties; a blue tie with small Canada flag emblems known as "the Canadian tie", a blue striped silk tie and a red tie with yellow patterns.

The Nation River Lady was wearing a navy blue body suit which had a collar, buttons ¾ down the front, long sleeves and snaps that secured in the crotch area. 

Her toe nails and fingernails were manicured and painted with a pink polish, she had an appendix operation scar and wore partial upper and lower dentures.

Police are asking anyone with information to call the Nation River Lady dedicated tipline at 613-591-2296.