Layer Estimates:

Layer: Ceologic Contacts (ID:1)
Count: 1121
Extent:

XMin: -423822.0099
YMin: -1129039.1546
XMax: 1554111.8833
YMax: 1086537.9053
Spatial Reference: PROJCS["Mercury_Tolstoj",GEOGCS["GCS_Mercury_Old",DATUM["",SPHEROID["",2439000.0,0.0]],PRIMEM["Reference_Meridian",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Mercator"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-180.0],PARAMETER["Standard_Parallel_1",0.0],UNIT["Meter",1.0]]

Layer: Geologic Units (ID:2)
Count: 585
Extent:

XMin: -423822.0099
YMin: -1129039.1546
XMax: 1554111.8833
YMax: 1086537.9053
Spatial Reference: PROJCS["Mercury_Tolstoj",GEOGCS["GCS_Mercury_Old",DATUM["",SPHEROID["",2439000.0,0.0]],PRIMEM["Reference_Meridian",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Mercator"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-180.0],PARAMETER["Standard_Parallel_1",0.0],UNIT["Meter",1.0]]