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  • Points that symbolize the position of the indications or exploitations of Rocks and Industrial Minerals for all the national territory. Depending on the scale of visualization, two layers of points have been created. Exploitations I: represents only the location of the points. Visible from scales smaller than 1:200.000.Exploitations II: represents the location of the points with a symbolization according to different attributes. Visible from scales greater than 1:200,000. The reference systems offered by this service are: CRS:84, EPSG:4326, EPSG:4258, EPSG:4230, EPSG:23028, EPSG:23029, EPSG:23030, EPSG:23031, EPSG:25828, EPSG:25829, EPSG:25830, EPSG:25831.