Layer Estimates:

Layer: Air (ID:0)
Count: 16
Extent:

XMin: -13036070.6948
YMin: 4133637.7306
XMax: -12907590.93
YMax: 4260000.721
Spatial Reference: 102100 (3857)

Layer: Land Units (ID:1)
Count: 69
Extent:

XMin: -13058238.2547
YMin: 4129260.49
XMax: -12901041.456
YMax: 4318838.2021
Spatial Reference: 102100 (3857)

Layer: Activities (ID:2)
Count: 4
Extent:

XMin: -12991695.2865
YMin: 4206208.8669
XMax: -12967784.6979
YMax: 4243337.0384
Spatial Reference: 102100 (3857)