This is a nice find from 1978. It's a Plat Book so you can search out the city and plats during the period  Good for genealogy or collecting for all the local stuff.

1) Lots of local advertising including Cambridge Savings and Loan

 2) City Maps & Owner index

 3) Diagram of Townships

Good condition as pictured, has some foxing at edge of cover, mild wear to cover, pages in good condition