Cartography BTA 1:5,000 (reference year 2017). Master level curve tag

Layer of the BTA (reference year 2017) containing the labels of the level curves for the whole territory of Navarre at 1:5,000 scale. The BTA is an adaptation to the production of the National Cartographic Base (BCN) of the National Geographical Institute (IGN). BTA is the acronym for “Harmonised Topographical Base”. It is a data model agreed by the Autonomous Communities (CCAA) and approved by the Higher Geographical Council (CSG) of which there is a version v1 dated 2008. Layer of the BTA (reference year 2017) containing the labels of the level curves for the whole territory of Navarre at 1:5,000 scale. The BTA is an adaptation to the production of the National Cartographic Base (BCN) of the National Geographical Institute (IGN). BTA is the acronym for “Harmonised Topographical Base”. It is a data model agreed by the Autonomous Communities (CCAA) and approved by the Higher Geographical Council (CSG) of which there is a version v1 dated 2008.该图层属于BTA（Harmonised Topographical Base）数据集2017参考年版本，包含纳瓦拉全境1:5000比例尺的等高线注记。BTA是西班牙国家地理研究所（IGN）适配国家制图基础库（BCN）生产流程的数据集。BTA为"统一地形基础（Harmonised Topographical Base）"的缩写，该数据模型由西班牙自治区（CCAA）协商制定，并经高级地理委员会（CSG）批准，其首个v1版本发布于2008年。该图层属于BTA（Harmonised Topographical Base）数据集2017参考年版本，包含纳瓦拉全境1:5000比例尺的等高线注记。BTA是西班牙国家地理研究所（IGN）适配国家制图基础库（BCN）生产流程的数据集。BTA为"统一地形基础（Harmonised Topographical Base）"的缩写。 该数据模型由西班牙自治区（CCAA）协商制定，并经高级地理委员会（CSG）批准，其首个v1版本发布于2008年。