Tia Maria Geodetic Marker
Key Facts
- Source: RGN
- Coordinates: 39.38591728, -8.67869725
- RGN sheet: 27C
- Marker type: BOLEMBREANO
- Top altitude: 140.75 m
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Tia Maria 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° 23' 9.3022" N, 08° 40' 43.3101" W (39.38591728, -8.67869725). RGN identification: 1:50,000 sheet 27C, type BOLEMBREANO. Altimetry: orthometric altitude at the top 140.75 m; at the base 137.76 m; ellipsoidal altitude at the top 194.89 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-27c-tia-maria
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