Geological map of area southwest of Ishpeming (Marquette County, Michigan)

Date

• ca. 1891

Summary

• Hand-drawn map of Township 47 North, Range 28 West, SE quarter (Marquette County, Mich.). Accompanies descriptions in notebooks numbered 113, 114, 118, 119, and 121. Colored drawings illustrate geological and natural features, including elevation and locations where geological samples were taken. Features include the Escanaba River.