Layer Estimates:

Layer: LowerCampus_Flight_Lines (ID:0)
Count: 618
Extent:

XMin: -7917306.26599659
YMin: 5221560.24397243
XMax: -7917045.27433348
YMax: 5221819.23436176
Spatial Reference: 102100 (3857)
Vertical Spatial Reference: 5773 (5773)