Layer Estimates:

Layer: DCTracts2010Points (ID:0)
Count: 179
Extent:

XMin: -8583569.6023
YMin: 4694724.6909
XMax: -8562632.2221
YMax: 4719452.2115
Spatial Reference: 102100 (3857)

Layer: DCTract2010 (ID:1)
Count: 179
Extent:

XMin: -8584932.5605
YMin: 4691871.4072
XMax: -8561514.717
YMax: 4721034.9998
Spatial Reference: 102100 (3857)

Layer: DCPoints.txt (ID:4)
Count: 179