Sheet 21 “Huelva” of the National Cartographic Base 1:200,000 (Spain)

Sheet 21 “Huelva” of the National Cartographic Base at 1:200,000 scale has been obtained from digitisation processes on SPOT images with resolution of 2.5 m and adaptation of other external sources by applying the specifications of BCN200 (data model, catalogues of entities and symbolology, dictionary of data, capture standards and quality control) a product with geographical information structured by subject and updated to the year 2010 has been obtained. The information is presented in shapefile format, structured and adapted to its operation using geographical information systems (GIS). It is available for download as a continuous GIS for all of Spain and also divided by provinces. Geodetic reference system ETRS89 and geographical coordinates longitude and latitude (no cartographic projection). The data are distributed together with a document with the data model, entity catalogues and data dictionary.