Layer Estimates:

Layer: NHS_On_Sections (ID:0)
Count: 405
Extent:

XMin: -12386369.0479944
YMin: 5006619.95178116
XMax: -11558705.8565509
YMax: 5627779.78485451
Spatial Reference: 102100 (3857)

Layer: NHS (ID:1)
Count: 18212

Layer: NHS_Overlay (ID:2)
Count: 404