Michigan Fast Facts for Today
- Michigan had the world's first concrete road built in 1901 at Detroit.
- Michigan has the world's largest limestone quarry, in Rogers City.
- Michigan's forests are growing twice as much timber annually as what is actually being harvested.
- Detroit is farther from Houghton, Michigan, by air miles (425) than it is from Washington, D.C. (391).
The Michigan Business Directory is mobile friendly on all devices
, another reason to make sure your website is listed. Mobile SEO is particularly important for local businesses - approximately half of all mobile search queries are for local venues. However, an increasing number of people also shop and conduct research using the mobile Web.