MINNEAPOLIS (WCCO) — A body was discovered Tuesday in a St. Louis County swamp.

The sheriff’s office says the body was found near Proctor by Stark Road and North Ugstad Road, near the Canadian National Railyard.

READ MORE: COVID In Minnesota: UK Variant Outbreak Linked To Youth Sports In Carver County, Officials Recommend 2-Week Pause

Rescue crews had to use special all-terrain vehicles to navigate the tough terrain.

READ MORE: More Than 1 Million Wisconsin Residents Have Been Vaccinated

The Midwest Medical Examiner’s office is working to identify the remains and determine the cause of death.

MORE NEWS: Faces Of COVID: Daryl Kruger, 82, Loved His Grandkids And The MN Twins

The sheriff’s office is investigating.