Congratulations to library patron Elizabeth, who successfully answered last month’s Mystery Photo! Indeed, the trail marker tree at the Grand Traverse County Civic Center was part of a trail that spanned from the Straits of Mackinac to Detroit.
![](http://gtjournal.tadl.org/wp-content/uploads/2017/09/civic-center-plaque-300x224.jpg)
Congratulations to library patron Elizabeth, who successfully answered last month’s Mystery Photo! Indeed, the trail marker tree at the Grand Traverse County Civic Center was part of a trail that spanned from the Straits of Mackinac to Detroit.