Vale de Abelheira Geodetic Marker

Alter do Chão (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 39.29471181, -7.78979389
  • RGN sheet: 32A
  • Marker type: PILAR TRONCO-CÓNICO
  • Top altitude: 202.7 m
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Vale de Abelheira 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° 17' 40.9625" N, 07° 47' 23.258" W (39.29471181, -7.78979389). RGN identification: 1:50,000 sheet 32A, order 2, type PILAR TRONCO-CÓNICO. Altimetry: orthometric altitude at the top 202.7 m; at the base 199.9 m; ellipsoidal altitude at the top 257.5 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-32a-vale-de-abelheira

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