![1858 Blackman Township, Michigan landownership map](images/maps/JacksonBlackman1858.png)
![1911 Blackman Township, Michigan landownership map](images/maps/JacksonBlackman1911.png)
![2009 Blackman Township, Michigan map](images/maps/JacksonBlackman2009.png)
Choose a land-ownership map to view, and then use the opacity slider to overlay the historic map onto a 2010 census street map. Slowly change the opacity until you can see both maps clearly or view each map separately by moving the slider to the top or bottom.