Barreiro Geodetic Marker

Almeida (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 40.61463158, -6.99442511
  • RGN sheet: 18B
  • Marker type: BOLEMBREANO
  • Top altitude: 810.53 m
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Barreiro 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: 40° 36' 52.6737" N, 06° 59' 39.9304" W (40.61463158, -6.99442511). RGN identification: 1:50,000 sheet 18B, type BOLEMBREANO. Altimetry: orthometric altitude at the top 810.53 m; at the base 808.01 m; ellipsoidal altitude at the top 866.44 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-18b-barreiro

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