Cars Oklahoma lake - two rusty cars with skeletons inside have been unearthed from the bottom of the Oklahoma lake, opening cold cases 40 years ago, Good Morning America reported Wednesday.

Two rusty cars, covered with mud have been retrieved from the bottom of the lake, and officials said that the two cars, which sat 3 feet apart under the 12 feet water, contained six skulls and skeletal remains that might be linked to unresolved cases many years ago.

Authorities said that the cars might have gone onto the lake at a year-and-a-half interval, more than 40 years ago.

"It's just so crazy," Oklahoma Highway Patrol Spokeswoman Betsy Randolph said.

Reports stated that the Oklahoma Highway Patrol's lake patrol division was simply testing its new sonar equipment a week earlier in Foss Lake in Custer County, Oklahoma, when they detected the presence of metal objects under the lake.

"Our guys just naturally assumed this may have been a stolen car pushed off into the lake. Sometimes that happens," Randolph said. "As soon as they pulled up the first vehicle, they found a femur bone in the driver's seat."

Meanwhile, they found another car about 3 feet away, and to their surprise, the second car contained more skeletal remains in it. Authorities said they have recovered six skills and matching bones all in all.

Investigators said they might already have some leads on the skeleton's identities, adding that they remains might help solve cold cases from more than 40 years ago.

"Missing persons reports from 1969 and 1970 that originate from a neighboring jurisdiction show real similarity with the vehicles that were recovered from the lake and the investigation is proceeding along those lines," the sheriff's office said in a statement. "However, no positive identification has been made."

According to Custer County Sheriff Bruce Peoples, one of the cars, the one resembling a 1969 blue Chevrolet Camaro, might belong to a Jimmy Williams, who reportedly went missing when he was still 16 in 1970.

Peoples added that Williams was last seen driving with his friends Leah Johnson and Thomas Rios - both 18 at that time - and the three of them have not be seen since that time.

"This very well may be the car with three missing teens from Sayre in 1970," Peoples told ABC News' Oklahoma City affiliate KOCO-TV. "We have some indication that the other vehicle is one that was reported missing in 1969."

Reports stated that the Oklahoma State Medical Examiner's Office will take the remains and attempt to confirm their identities through possible DNA testing to known family member survivors of the missing teens.

"It's closure for those families that no longer have to wonder what happened to their loved ones and that's one of the reasons, of course, we investigate this, to determine if a crime was committed," Peoples added.