They can fax you an order form, with all the maps offered, and you can place orders over the phone. Click to View a sample map of the Big Manistee River in Michigan from Rockford Map Publishers. These maps are a valuable resource for determining access to fishable water. The government, believe it or not, is also a great map resource, thanks to the work of the US Geological Survey. Through the surveys, they have developed maps of various degrees of accuracy.
All topo maps are great for finding access.
Sam you'll get faster service for a nominal fee. REI has two locations in Illinois that can order USGS maps direct. Visit the USGS website to find an agent in your area. Agents are listed by state on the site. Here is a good one.