COLUMBIA HEIGHTS FEDERATION OF TEACHERS LOCAL 710, et al., Petitioners, Appellants, v. INDEPENDENT SCHOOL DISTRICT NO. 13, COLUMBIA HEIGHTS, Respondent. No. C5-89-2208.Minnesota Court of Appeals. July 17, 1990. Review Denied September 20, 1990. Appeal from the District Court, Anoka County, Phyllis G. Jones, J. Page 776 Syllabus by the Court When a school district’s collective […]