Geological map of area northwest of Ishpeming (Marquette County, Michigan)
Date
ca. 1892
Summary
Hand-drawn map of Township 48 North, Range 28 West, SE quarter (Marquette County, Mich.). Accompanies descriptions in notebooks numbered 113, 118, 132, and 136. Colored drawings illustrate geological and natural features, including elevation and locations where geological samples were taken. Features include Gold Mine Lake and Gingrass Lake.