1. Quaternary geology of Michigan with surface water drainage divides [cartographic material] Yale Public content 1984. 2016-06-21T14:49:32Z. 2016-09-26T17:42:52Z. State of Michigan, Dept. of Natural Resources, Geological Survey. English. cartographic image. Public. Michigan, Michigan., and États-Unis. Quaternary and From 2 million years ago.