Layer Estimates:

Layer: 1970_Area_Tracts_With_Population_Density_Generalized (ID:0)
Count: 210
Extent:

XMin: -11004069.2087626
YMin: 3389014.14359267
XMax: -10836777.4334333
YMax: 3585723.1639141
Spatial Reference: 102100 (3857)