Layer Estimates:

Layer: Linear Features (ID:1)
Count: 1025
Extent:

XMin: -179.929099999368
YMin: -86.9152000006288
XMax: 179.847100000829
YMax: 51.8164000008255
Spatial Reference: GEOGCS["GCS_Mars_2000_Sphere",DATUM["D_Mars_2000_Sphere",SPHEROID["Mars_2000_IAU_IAG_Sphere",3396190.0,0.0]],PRIMEM["Reference_Meridian",0.0],UNIT["Degree",0.0174532925199433]]

Layer: Geologic Contacts (ID:2)
Count: 1760
Extent:

XMin: -180
YMin: -90
XMax: 180
YMax: 90
Spatial Reference: GEOGCS["GCS_Mars_2000_Sphere",DATUM["D_Mars_2000_Sphere",SPHEROID["Mars_2000_IAU_IAG_Sphere",3396190.0,0.0]],PRIMEM["Reference_Meridian",0.0],UNIT["Degree",0.0174532925199433]]

Layer: Geologic Units (ID:3)
Count: 779
Extent:

XMin: -180
YMin: -90
XMax: 180
YMax: 90
Spatial Reference: GEOGCS["GCS_Mars_2000_Sphere",DATUM["D_Mars_2000_Sphere",SPHEROID["Mars_2000_IAU_IAG_Sphere",3396190.0,0.0]],PRIMEM["Reference_Meridian",0.0],UNIT["Degree",0.0174532925199433]]