1. Hale quadrangle, Michigan--Iosco Co. 7.5 minute series (topographic) / [cartographic material] Yale Public content 1971. 2020-01-22T20:08:54Z. 2020-01-29T22:35:50Z. Geological Survey (U.S.). U.S. Geological Survey. English. cartographic image. Public. Michigan, Iosco County (Mich.), Michigan., and Iosco County.