Layer Estimates:

Layer: NYC_DoITT_Two_Feet_Elevation_Contours (ID:0)
Count: 1510642
Extent:

XMin: -8266109.15167536
YMin: 4937598.62223101
XMax: -8203832.11928536
YMax: 5000280.86091405
Spatial Reference: 102100 (3857)