Mariana Geodetic Marker

Santarém (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 39.28114072, -8.77823581
  • RGN sheet: 31A
  • Marker type: PILAR TRONCO-CÓNICO S/ CONSTRUÇÃO
  • Top altitude: 133.2 m
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Mariana Geodetic Marker is a point in the Portuguese National Geodetic Network (RGN), the reference network used for mapping, surveying and geographic measurement in Portugal. Coordinates: 39° 16' 52.1066" N, 08° 46' 41.6489" W (39.28114072, -8.77823581). RGN identification: 1:50,000 sheet 31A, type PILAR TRONCO-CÓNICO S/ CONSTRUÇÃO. Altimetry: orthometric altitude at the top 133.2 m; at the base 122.7 m; ellipsoidal altitude at the top 187.13 m. This record is based on official RGN coordinate data and is useful for understanding the landscape, planning map work or identifying a precise geographic reference point. Local access conditions can vary, so check the terrain before visiting. RGN source ID: rgn-31a-mariana

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