Cite
State of Michigan. (2024). Michigan's Planning and Development Regions [Michigan]. State of Michigan Open Data Portal. https://gis-michigan.opendata.arcgis.com/datasets/Michigan::michigans-planning-and-development-regions (dataset)
Available from: https://geo.btaa.org/catalog/7873b312b9f1468f8e62d2c983c5962a_446