Layer Estimates:

Layer: City Boundary (ID:0)
Count: 1
Extent:

XMin: -12725576.8063134
YMin: 6593539.02695251
XMax: -12674827.2584352
YMax: 6658956.99612795
Spatial Reference: 102100 (3857)

Layer: Hydrology (ID:1)
Count: 3525
Extent:

XMin: -12728141.7695067
YMin: 6591962.30227991
XMax: -12670462.9668519
YMax: 6661568.5527954
Spatial Reference: 102100 (3857)

Layer: Contour (ID:2)
Count: 10
Extent:

XMin: -12726867.9957396
YMin: 6591559.32339047
XMax: -12669688.0030022
YMax: 6661429.31451613
Spatial Reference: 102100 (3857)