Acronym |
Definition |
| OD | Ordnance Datum |
| OGNB | Ontario Geographic Names Board |
| OGNB | Oregon Geographic Names Board |
| ORM | Oak Ridges Moraine |
| OSMF | OpenStreetMap Foundation |
| PAIGH | Pan American Institute of Geography and History |
| PB | Pont Brûlé |
| PD | Population Density |
| PETA | Pan-European Thermal Atlas |
| PGI | Protected Geographical Indication |
| PGIS | Participatory Geographical Information Systems |
| PGIS | Participatory Geographic Information Systems |
| PGIS | Politics Geography and International Studies |
| PGSG | Political Geography Specialty Group |
| PHCP | Permanent Heterogeneous Continuous Pore-system |
| PHG | Progress in Human Geography |
| PHPB | Polar High Pressure Belt |
| PLS | Pratice Land Survey |
| POMLAD | Preveling winds, Ocean currents, Mountain barriers, Latitude, Altitude, Distance |
| PPG | Progress in Physical Geography |
| PRS | Practice on Remote Sensing |
| PSGC | Philippine Standard Geographic Code |
| PSGC | Philippine Standard Geographic Classification |
| QDGC | Quarter Degree Grid Cells |
| RDGS | Royal Danish Geographical Society |
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