Geologic map of the central Beaverhead Mountains, Lemhi County, Idaho, and Beaverhead County, Montana — USGS Scientific Investigations Map 3413
by USGS Geologic Maps (public domain) · Idaho, Montana, US
A free GeoPDF for offline GPS in the Cartahaven app, with free updates. How it works offline
Older edition. This is the 2018 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.

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.
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- 3Tap “My purchases” (“Get my maps” before you sign in). It’s on your phone, ready offline.
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Where this map covers
Named places on this map
2 named features inside the Geologic map of the central Beaverhead Mountains, Lemhi County, Idaho, and Beaverhead County, Montana — USGS Scientific Investigations Map 3413 sheet, from the USGS Geographic Names Information System. Each one links to every map that shows it.
Peaks and ridges
Elevations are the USGS 3DEP ground elevation at the named point, rounded; a summit's surveyed height can differ a little.
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Version history
Version 1 · Nov 3, 2026 · 172.3 MB