Harper, OR — USGS historical 15-minute topo (1966)
by USGS Historical Topo Maps (public domain) · Oregon, US
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Older edition. This is the 1966 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.

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Where this map covers
Named places on this map
37 named features inside the Harper, OR — USGS historical 15-minute topo (1966) sheet, from the USGS Geographic Names Information System. Each one links to every map that shows it.
Lakes, springs and falls
- Alkali Spring · spring
- Brown Reservoir · reservoir
- Bull Spring · spring
- Burnt Willow Spring · spring
- Callahan Spring · spring
- Cemetery Spring · spring
- Chicken Creek Reservoir · reservoir
- Corral Spring · spring
- Fenceline Spring · spring
- Gap Spring · spring
- Harper Springs · spring
- Hart Creek Reservoir · reservoir
- Hart Spring · spring
- Hollow Reservoir · reservoir
- Horse Trail Reservoir · reservoir
- Hunter Spring · spring
- Lost Creek Reservoir · reservoir
- Lower Black Canyon Reservoir · reservoir
- Medlin Reservoir · reservoir
- R W Spring · spring
- Rock Spring · spring
- Salt Spring · spring
- Shaw Spring · spring
- Sheep Spring · spring
and 10 more
Gaps, arches and other landforms
- Danger Point · cliff
- Harper Basin · basin
- Racehorse Flat · flat
Elevations are the USGS 3DEP ground elevation at the named point, rounded; a summit's surveyed height can differ a little.
More maps of Oregon.
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Little Valley, OR — USGS 7.5-minute topo (2023)
USGS Topo Maps (public domain) · Oregon
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Version history
Version 1 · Nov 4, 2026 · 8.0 MB