Gravulha Geodetic Marker
Key Facts
- Source: RGN
- Coordinates: 39.72696128, -8.30660775
- RGN sheet: 23D
- Marker type: BOLEMBREANO
- Top altitude: 354.21 m
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Gravulha 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° 43' 37.0606" N, 08° 18' 23.7879" W (39.72696128, -8.30660775). RGN identification: 1:50,000 sheet 23D, type BOLEMBREANO. Altimetry: orthometric altitude at the top 354.21 m; at the base 351.71 m; ellipsoidal altitude at the top 409.33 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-23d-gravulha
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