Flanagan, IL Historical Topo Map (1958)
by USGS Historical Topo Maps (public domain) · Illinois, US
A free GeoPDF for offline GPS in the Cartahaven app, with free updates. How it works offline
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Older edition. This is the 1958 edition from the U.S. Geological Survey. A newer one may have been published since; check the agency's page for current rules and routes before relying on it.

About the Flanagan quad
The Flanagan quadrangle is a USGS 15-minute historical topo map covering about 13 × 17 mi in Illinois. This is the 1958 edition; the GeoPDF is 5.6 MB.
What you get
- Your GPS position on the map. A blue dot on this official sheet shows where you are.
- Works with no signal. Download it once; the map and your GPS position keep working with no cell signal.
- Tracks, placemarks and photos. Record where you go, drop pins, and export GPX, KML or GeoJSON.
- Free updates. When a new edition is published here, it’s yours at no cost.
- 1Tap “Get this map”: it’s added to your free account.
- 2Open the Cartahaven app on your phone and sign in.
- 3Tap “Get my maps”. It’s on your phone, ready offline.
The app runs on iPhone, Android and in desktop browsers. Install it · How offline GPS works
Where this map covers
More maps of Illinois.
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Version history
Version 1 · Nov 5, 2026 · 5.6 MB