Layer Estimates:

Layer: 5 ft Index Contour (ID:0)
Count: 4070
Extent:

XMin: -11703150.1756221
YMin: 4884158.05123654
XMax: -11702348.9788153
YMax: 4884973.13978728
Spatial Reference: 102100 (3857)

Layer: 1 ft Contours (ID:1)
Count: 22901
Extent:

XMin: -11703152.898236
YMin: 4884170.03321097
XMax: -11702349.8025818
YMax: 4884976.09404222
Spatial Reference: 102100 (3857)