Portela das Eiras Geodetic Marker
Key Facts
- Source: RGN
- Coordinates: 39.49881158, -8.11226431
- RGN sheet: 28A
- Marker type: BOLEMBREANO S/ MOINHO
- Top altitude: 167.64 m
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Portela das Eiras 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° 29' 55.7217" N, 08° 06' 44.1515" W (39.49881158, -8.11226431). RGN identification: 1:50,000 sheet 28A, type BOLEMBREANO S/ MOINHO. Altimetry: orthometric altitude at the top 167.64 m; at the base 161.12 m; ellipsoidal altitude at the top 222.41 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-28a-portela-das-eiras
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