Layer Estimates:

Layer: SpotElevations1989 (ID:0)
Count: 67031
Extent:

XMin: -8670340.44094943
YMin: 4468792.9511616
XMax: -8597617.09709707
YMax: 4518209.74314026
Spatial Reference: 102100 (3857)

Layer: Contours1989 (ID:1)
Count: 124323
Extent:

XMin: -8670437.85771417
YMin: 4468672.67479242
XMax: -8597599.87778035
YMax: 4518211.8451851
Spatial Reference: 102100 (3857)