Layer Estimates:

Layer: Appalachian_Regional_Commission_2010_Census_Tracts_(With_Buffers) (ID:0)
Count: 10995
Extent:

XMin: -10104631.5515454
YMin: 3561231.7005855
XMax: -8143966.60559012
YMax: 5717081.99238265
Spatial Reference: 102100 (3857)