United States National Geodetic Survey marker
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English: United States National Geodetic Survey marker ·
- Main gallery: Trig points and benchmarks.
[edit] Geotagged markers
 Chicago, IL |
[edit] Markers with locations
 Arlington, Washington |
 Black Rock Canyon National Park |
 Bar Harbor, Maine |
 New Orleans |
 Tampa, Florida |
 Pensacola, Florida |
 Ridge Route, California |
 Nara Visa, New Mexico |
 Apopka, Florida |
[edit] Markers without locations
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