The Haines Sheldon Museum opened its doors to the public last week after being closed for several days after a staff member found a WWII-era Japanese mortar in its collection.

Staff contacted local police who got in touch with an army explosive ordinance disposal unit out of Fairbanks. Military personnel arrived in Haines on Thursday and x-rayed the mortar. They found remnants of explosive powder.

“They determined that the only course of action was to…