(KLZA)-- Authorities have identified the man killed in an early Thanksgiving morning house fire in Humboldt.

The Richardson County Sheriff's Department, in a news release Tuesday, identified the victim as 77-year-old Roy Minks, Jr.

Firefighters were dispatched to Minks home at 1055 7th Street shortly before 4:30 a.m.

When they arrived on the scene, the structure was fully engulfed in flames.

The Nebraska State Fire Marshall's Office is conducting the investigation into the fire.

According to a release from the Humboldt Volunteer Fire Department, initially the evidence indicated a wood fired furnace used to melt aluminum scrap was operating above the temperature capacity of the unit and the flue.

The Dawson and Stella Fire Departments assisted at the scene.