1. South Branch quadrangle, Michigan, 1968 7.5 minute series (topographic) / [cartographic material]
1968. 2020-01-22T20:10:44Z. 2020-01-29T22:35:05Z. Geological Survey (U.S.). U.S. Geological Survey. English. cartographic image. Public. Michigan, Huron National Forest (Mich.), Michigan., and Huron National Forest.
