DICKINSON, N.D. (AP) _ Authorities searching for a man who went missing from a work site in southwestern North Dakota began excavating pits and trenches but have not had any success.
Authorities said that they continue to excavate the work area where trenches or pits were filled the day 30-year-old Eric Haider (HY'-dur) of Bismarck disappeared.
He was last seen Thursday at a Dickinson-area construction site where he had been working with a plumbing company.
Family members say Haider didn't have a car and left his belongings at work last Thursday.
Friends have started a Facebook page to share news about the search. It has more than 9,000 members.