Somerset, PA Historical Topo Map (1944)
by USGS Historical Topo Maps (public domain) · Pennsylvania, US
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Older edition. This is the 1944 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 Somerset quad
The Somerset quadrangle is a USGS 15-minute historical topo map covering about 13 × 17 mi of Westmoreland and Somerset counties, Pennsylvania. This is the 1944 edition; the GeoPDF is 9.7 MB.
All Pennsylvania historical topo maps · Pennsylvania hunting units
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.
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- 3Tap “Get my maps”. It’s on your phone, ready offline.
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Where this map covers
Named places on this map
43 named features inside the Somerset, PA — USGS historical 15-minute topo (1944) sheet, from the USGS Geographic Names Information System. Each one links to every map that shows it.
Peaks and ridges
Lakes, springs and falls
- Adams Falls · falls
- Beverly Lake · reservoir
- Boswell Reservoir · reservoir
- Conemaugh Township Reservoir · reservoir
- Duck Pond · reservoir
- Grove Run Spring · spring
- Jennerstown Reservoir · reservoir
- Kooser Lake · reservoir
- Lake Gloria · reservoir
- Lake Somerset · reservoir
- Lake Tod · reservoir
- Laurel Hill Creek Reservoir · reservoir
- Laurelridge Lake · reservoir
- Ligonier Reservoir · reservoir
- Ligonier Township Reservoir · reservoir
- Rose Bud Lake · reservoir
- Stoughton Lake · reservoir
- Trolls Lake · reservoir
- VanDyke Spring · spring
Gaps, arches and other landforms
- Beam Rocks · cliff
- Ninety Foot Rocks · cliff
- Wolf Rocks · cliff
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 5, 2026 · 9.7 MB