BTA mapping 1:5,000 (reference year 2020). Endowment and installation symbol

BTA layer (reference year 2020) containing the endowment and installation symbols for the entire Navarrese territory at 1:5,000 scale. The BTA is an adaptation to the production of the National Cartographic Base (BCN) of the National Geographic Institute (IGN). BTA is the acronym for "Harmonized Topographic Base". It is a data model agreed by the Autonomous Communities (ACs) and approved by the Superior Geographical Council (CSG) of which there is a v1 version dated 2008.