Águas Negras Geodetic Marker

Abrantes (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 39.31726142, -8.21691272
  • RGN sheet: 27D
  • Marker type: TRIPLO CILINDRO
  • Top altitude: 209.74 m
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Águas Negras 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° 19' 2.1411" N, 08° 13' 0.8858" W (39.31726142, -8.21691272). RGN identification: 1:50,000 sheet 27D, type TRIPLO CILINDRO. Altimetry: orthometric altitude at the top 209.74 m; at the base 200.96 m; ellipsoidal altitude at the top 264.04 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-27d-aguas-negras

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