Locked-out union workers from American Crystal Sugar will try once more to resolve its differences with company owners when it votes on a contract proposal Saturday. The workers, locked out of plants in Minnesota, North Dakota and Iowa for nearly a year, have overwhelmingly rejected two previous contract offers.

Locked-out union employees at American Crystal Sugar Co. Saturday said no for the third time in nearly a year to their company's contract offer. The union says 63 percent of the union's 1,300 worker membership voted against the offer. The workers have been locked out of plants in Minnesota, North Dakota and Iowa since last August.

American Crystal Sugar is adamant that it will not change its contract offer to 1,300 union workers. Some of the employees who have been locked out for nearly 11 months are now interested in voting again on the offer they've spurned in the past. Union leaders have scheduled a vote for June 23.

A few locked out workers from American Crystal Sugar were back on the picket line Wednesday to mark the one-year anniversary of the union lockout by company. More than 1,300 workers from plants in Minnesota, North Dakota and Iowa have been affected by the lockout.

American Crystal Sugar Co.’s locked-out workers will hold rallies in front of grocery stores in Fargo and in Grand Forks on Monday as they launch a national consumer boycott of the company’s products, the Fargo Forum reports. It's the latest development in the long-running labor dispute that dates to August 2011, when about 1,300 union workers at the company’s plants in Minnesota, North Dakota and Iowa were locked out by management.

Union members are demonstrating at the homes of American Crystal Sugar's directors as the labor dispute drags on. An AFL-CIO spokesman tells the Fargo Forum the demonstrations will continue indefinitely. Roughly 1,300 workers have been locked out from plants in Minnesota, North Dakota and Iowa for more than a year.

American Crystal Sugar and its locked out union workers were scheduled to meet again Friday in an effort to restart contract talks. The company locked out 1,300 workers at five factories last August. This is the fourth time the two sides have met with a federal mediator to try to end the impasse.