Água Negra Geodetic Marker

Serpa (Portugal) Geodetic Marker

Key Facts

  • Source: RGN
  • Coordinates: 37.79473939, -7.45052086
  • RGN sheet: 46B
  • Marker type: BOLEMBREANO S/ PIRÂMIDE TRUNCADA
  • Top altitude: 261.11 m
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Água Negra 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: 37° 47' 41.0618" N, 07° 27' 1.8751" W (37.79473939, -7.45052086). RGN identification: 1:50,000 sheet 46B, order 1, type BOLEMBREANO S/ PIRÂMIDE TRUNCADA. Altimetry: orthometric altitude at the top 261.11 m; at the base 252.82 m; ellipsoidal altitude at the top 316.01 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-46b-agua-negra

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