Layer Estimates:

Layer: Project Lines (ID:0)
Count: 18
Extent:

XMin: -10269398.3938412
YMin: 4648289.39482902
XMax: -10228297.3104546
YMax: 4662445.24651337
Spatial Reference: 102100 (3857)

Layer: ProjectExtent (ID:1)
Count: 11
Extent:

XMin: -10269588.9648
YMin: 4648081.233
XMax: -10228112.886
YMax: 4662501.8939
Spatial Reference: 102100 (3857)