Rio Frio Geodetic Marker
Key Facts
- Source: RGN
- Coordinates: 38.67339222, -8.85829103
- RGN sheet: 35C
- Marker type: BOLEMBREANO S/ DEPÓSITO
- Top altitude: 38.43 m
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Rio Frio 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: 38° 40' 24.212" N, 08° 51' 29.8477" W (38.67339222, -8.85829103). RGN identification: 1:50,000 sheet 35C, type BOLEMBREANO S/ DEPÓSITO. Altimetry: orthometric altitude at the top 38.43 m; at the base 17.02 m; ellipsoidal altitude at the top 91.8 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-35c-rio-frio
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