Layer Estimates:

Layer: Substructures (ID:0)
Count: 13084
Extent:

XMin: 6502803.43160851
YMin: 1826219.08307467
XMax: 6516463.66117775
YMax: 1841305.64148417
Spatial Reference: 102645 (2229)
Vertical Spatial Reference: 105703 (6360)