A New York Public Library website

NYPL Map Warper

Log In Create Account
Home > Search > Maps > Map 34500
?t=t&id=57566651 Geological map of Isle Royale, Lake Superior, Michigan / Made pursuant to the Act of Congress, approved, March 1st., 1847, by J.W. Foster & J.D. Whitney, U.S. geologists ; assisted by S.W. Hill & W.S. Chlatter.
From Michigan (In 5 layers) Depicts: 1849 Last modified about 2 years ago. Unrectified.
View on Digital Collections
Kml logo 20x25 Export
You may need to log in to start editing the map

A low resolution preview is shown below.