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# be_ign_README.txt
The files in this section result from the conversion of datasets originating
from [IGN Belgium](http://www.ngi.be)
## Included grids
### Belgium: BD72 -> ETRS89
Grid transformation from Belgium Datum 72 to ETRS89 in Belgium.
*Source*: [IGN](http://www.ngi.be/Common/Lambert2008/NTv2.zip)
*Format*: GeoTIFF converted from NTv2
*License*: [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/)
*Credit*: (c)2014-2016 Grid created by Nicolas SIMON.
It provides an accuracy better than 5mm in 99.6% of validation points and a
worst case of 1.3 cm outside the border.
Recommended to transform from Belgian Lambert 72 (EPSG:31370) to Belgian Lambert 2008 (EPSG:3812)
Documentation in French: (http://www.ngi.be/FR/FR2-1-7.shtm)
Documentation in Dutch: (http://www.ngi.be/NL/NL2-1-7.shtm)
* be_ign_bd72lb72_etrs89lb08.tif
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