Layer Estimates:

Layer: SpotElevations2002 (ID:0)
Count: 31594
Extent:

XMin: -8669443.16263294
YMin: 4469193.89860902
XMax: -8599366.89538565
YMax: 4518003.46113582
Spatial Reference: 102100 (3857)

Layer: Contours2002 (ID:1)
Count: 457312
Extent:

XMin: -8669623.99111447
YMin: 4469006.94493004
XMax: -8598646.98399798
YMax: 4518060.99404781
Spatial Reference: 102100 (3857)