Naturally occurring GIS – An Oil Stain of Michigan in Algoma, WI
Inspired by this New Jersey shaped sidewalk crack, I found the following oil stain on a street in Algoma, WI. Its not a perfect match (the ”thumb” portion is a bit off) , but awfully close to the shape of the lower peninsula of Michigan.
(Above image from http://www.thepumpguide.com/michiganLP/ )
(above map created in QGIS from the Michigan open data portal county shapefile)