WALLEYE from "Hail Minnesota", manhole cover art of Nicollet Mall, Minneapolis, MN. This is a project commissioned by the City of Minneapolis, MN in 1992. It includes 11 different designs. A total of nearly 75 cast iron manhole covers are installed on Nicollet Mall The designs from this project are available as a rubbing from the original pattern, a drawing from the initial proposal, or as a casting in iron. The castings are 26 inches in diameter, weight about 60 lbs, and are approximately 3/4 inch thick.