Layer Estimates:

Layer: CA de Lens - Liévin (ID:0)
Count: 7
Extent:

XMin: 1650329.9051
YMin: 9209897.6185
XMax: 1713429.1394
YMax: 9271678.3808
Spatial Reference: PROJCS["RGF93_CC50",GEOGCS["GCS_RGF93",DATUM["D_RGF_1993",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["false_easting",1700000.0],PARAMETER["false_northing",9200000.0],PARAMETER["central_meridian",3.0],PARAMETER["standard_parallel_1",49.25],PARAMETER["standard_parallel_2",50.75],PARAMETER["latitude_of_origin",50.0],UNIT["Meter",1.0]]

Layer: Communes de la CALL (ID:1)
Count: 36
Extent:

XMin: 1672887.2004
YMin: 9240295.1608
XMax: 1695895.7791
YMax: 9256483.6685
Spatial Reference: PROJCS["RGF93_CC50",GEOGCS["GCS_RGF93",DATUM["D_RGF_1993",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["false_easting",1700000.0],PARAMETER["false_northing",9200000.0],PARAMETER["central_meridian",3.0],PARAMETER["standard_parallel_1",49.25],PARAMETER["standard_parallel_2",50.75],PARAMETER["latitude_of_origin",50.0],UNIT["Meter",1.0]]