Layer Estimates:

Layer: Freeways (ID:0)
Count: 626
Extent:

XMin: 6253750.24500059
YMin: 1835752.87506676
XMax: 6329443.44564801
YMax: 1968398.606822
Spatial Reference: 102646 (2230)

Layer: Alleys (ID:1)
Count: 3052
Extent:

XMin: 6244792.00012185
YMin: 1837241.00004326
XMax: 6326961.00015359
YMax: 1958927.00010909
Spatial Reference: 102646 (2230)

Layer: SD Metropolitan Region (ID:2)
Count: 1
Extent:

XMin: 6244555.14167167
YMin: 1775473.53105876
XMax: 6361009.34052134
YMax: 1986027.67851917
Spatial Reference: 102646 (2230)