Layer Estimates:

Layer: Proyectos Mineros (ID:0)
Count: 286
Extent:

XMin: -9001652.02902649
YMin: -2037622.51937045
XMax: -7767540.10908225
YMax: -504915.159104588
Spatial Reference: 102100 (3857)

Layer: Catastro Minero (DGM) (ID:1)
Count: 746
Extent:

XMin: -9025171.08717177
YMin: -2036282.8248286
XMax: -7697733.23280109
YMax: -406504.333182751
Spatial Reference: 102100 (3857)