Autopsy results are still pending to determine the exact cause of death of the two men whose bodies were found in a rural Springfield home Friday afternoon . The bodies of 30-year-old Nathan Scott Potter and 23-year-old Adam Lloyd Philip Jensen were found at around 1:40pm Friday, and their deaths appear to have been caused by carbon monoxide poisoning. The initial investigation indicated that the furnace in the home may have been the source of the carbon monoxide. Mayo Health Care Services in Mankato is reportedly conducting the autopsies. The Brown County Sheriff’s Office is conducting the investigation into the deaths.