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USGS Benchmarks

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Description du groupe

Photos of United States Geological Survey Markers or any other similair geo markers from anywhere in the world. They should be of the type that are embedded into the ground and are marked with geo specifics.

Informations supplémentaires

  • This group will count toward the photo’s limit (60 for Pro members, 30 for free members)
  • Accepted media types: Photos, Videos
  • Accepted content types: Photos, Art, Screenshots, Virtual Photography
  • Accepted safety levels: Safe