Polvorosas Geodetic Marker

Gavião (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 39.37076256, -7.82270939
  • RGN sheet: 28C
  • Marker type: TRIPLO CILINDRO
  • Top altitude: 266.43 m
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Polvorosas 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° 22' 14.7452" N, 07° 49' 21.7538" W (39.37076256, -7.82270939). RGN identification: 1:50,000 sheet 28C, order 2, type TRIPLO CILINDRO. Altimetry: orthometric altitude at the top 266.43 m; at the base 258.79 m; ellipsoidal altitude at the top 321.26 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-28c-polvorosas

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