Layer Estimates:

Layer: Landmarks (ID:0)
Count: 12
Extent:

XMin: 1370777.6238
YMin: 5689525.6933
XMax: 1375248.4292
YMax: 5692108.6683
Spatial Reference: 102100 (3857)

Layer: Canals (ID:1)
Count: 165
Extent:

XMin: 1370026.9697
YMin: 5688387.4532
XMax: 1376584.2306
YMax: 5692410.1717
Spatial Reference: 102100 (3857)

Layer: Structures (ID:2)
Count: 21404
Extent:

XMin: 1369483.5458
YMin: 5688389.6116
XMax: 1376627.809
YMax: 5692530.1821
Spatial Reference: 102100 (3857)