| 1. | The grid lines point to a Grid North, varying slightly from True North.
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| 2. | At the South Pole, grid north conventionally points northwards along the Prime Meridian.
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| 3. | Directors were mounted on a field tripod and oriented in relation to grid north of the map.
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| 4. | The difference between grid north and true north is very small and can be ignored for most navigation purposes.
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| 5. | For this reason, directions at the Pole are given relative to " grid north ", which points northwards along the prime meridian.
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| 6. | Maps may also indicate grid north, which is a navigational term referring to the direction northwards along the grid lines of a map projection.
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| 7. | As this is the centre of the east-west extent of the Ordnance Survey mapping grid, True North and Grid north align exactly in Devizes.
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| 8. | 1st Street divides the block numbering grid north and south, and southwest of the Los Angeles River, Main Street divides the city east and west.
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| 9. | The difference between UPS grid north and true north can therefore be anything up to 180? in some places, grid north is true south, and vice versa.
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| 10. | The difference between UPS grid north and true north can therefore be anything up to 180? in some places, grid north is true south, and vice versa.
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