Layer Estimates:

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

XMin: -8669310.0481
YMin: 4469545.2881
XMax: -8599706.5056
YMax: 4517812.0041
Spatial Reference: 102100 (3857)

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

XMin: -8669474.4624
YMin: 4469368.8664
XMax: -8599000.2718
YMax: 4517867.8424
Spatial Reference: 102100 (3857)