Montalvão Geodetic Marker

Almada (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 38.67723419, -9.18829308
  • RGN sheet: 34D
  • Marker type: PILAR PRISMÁTICO
  • Top altitude: 114.57 m
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Montalvão 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: 38° 40' 38.0431" N, 09° 11' 17.8551" W (38.67723419, -9.18829308). RGN identification: 1:50,000 sheet 34D, type PILAR PRISMÁTICO. Altimetry: orthometric altitude at the top 114.57 m; at the base 113.37 m; ellipsoidal altitude at the top 167.87 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-34d-montalvao

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