Sapo Geodetic Marker
Key Facts
- Source: RGN
- Coordinates: 39.13200608, -8.45679881
- RGN sheet: 31B
- Marker type: BOLEMBREANO
- Top altitude: 131.26 m
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Sapo 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° 07' 55.2219" N, 08° 27' 24.4757" W (39.13200608, -8.45679881). RGN identification: 1:50,000 sheet 31B, type BOLEMBREANO. Altimetry: orthometric altitude at the top 131.26 m; at the base 128.66 m; ellipsoidal altitude at the top 185.42 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-31b-sapo
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