Layer Estimates:

Layer: Railroads_CopyFeatures (ID:1)
Count: 123132
Extent:

XMin: -17603554.4308
YMin: 2037284.6027
XMax: -7336635.2733
YMax: 9588938.0474
Spatial Reference: 102100 (3857)

Layer: Secondary_Roads_Interstates_and_US_Highways_CopyFeatures (ID:2)
Count: 30896
Extent:

XMin: -13859039.6046
YMin: 2820623.4546
XMax: -7466653.2103
YMax: 6274916.7096
Spatial Reference: 102100 (3857)