"Stations" On A Narrow Strip Of Michigan

Source

Underground Railroad Statue In Battle Creek, Michigan

"There were a few places of deportation in southeastern Wisconsin for fugitives that had avoided Chicago and followed the lake shore or the Illinois River farther northward. A rather narrow strip of Michigan adjoining Indiana and Ohio was dotted with stations." 

California: An Intimate History

California: An Intimate History,  By Gertrude Franklin Horn Atherton:

For more recent, and detailed, history, older editions of California newspapers are online.