A proposed corn maze at the “Field of Dreams” movie site in Dyersville iscausing a debate. The Dubuque County Board of Supervisors is being askedto vote on the zoning change for the maze during it’s meeting on Monday. A neighbor to the field is worried the rezoning will lead to moredevelopment in the area. Developers says the maze is being built to honorthe 10th anniversary of the film “Field of Dreams” starring Kevin Costner.They says they don’t have plans for further development of the site. The mzeis scheduled to open later this summer.