Administrative Regions, Minnesota Pollution Control Agency - Metadata summary of the MPCA's six administrative regions. First link is a map.
Minnesota Department of Natural Resources Administrative Regions - Map shows four current DNR regions, plus old pre-2002 boundaries. 391K. [PDF]
Regional Development Act - Contains excerpts from the Laws of Minnesota, 1999, Chapter 462, which include the establishment of regional development commissions to work with local governments on plans and programs to address economic, social, physical, and governmental concerns of each region of the state.
Regional Development Commission Boundaries - Metadata summary of the boundaries of the 13 regional development commissions, which correspond to Minnesota's regions as defined in state law.