Layer Estimates:

Layer: CT_2010_Blocks_Top10 (ID:0)
Count: 12573
Extent:

XMin: -8200501.92711106
YMin: 4994245.04965751
XMax: -8064264.62016722
YMax: 5157465.07385031
Spatial Reference: 102100 (3857)

Layer: CT_1990_Blocks_Top10 (ID:1)
Count: 10247
Extent:

XMin: -8200511.25506507
YMin: 4994245.04952995
XMax: -8064264.62020033
YMax: 5157467.3432489
Spatial Reference: 102100 (3857)

Layer: CT_2000_Blocks_Top10 (ID:2)
Count: 10501
Extent:

XMin: -8200511.25506507
YMin: 4994245.04952995
XMax: -8064264.62020033
YMax: 5157467.3432489
Spatial Reference: 102100 (3857)

Layer: CT_2010_Blocks_Codebook (ID:3)
Count: 231

Layer: CT_2010_Blocks_Table (ID:4)
Count: 67578

Layer: CT_1990_Blocks_Table (ID:5)
Count: 41823

Layer: CT_1990_Blocks_Codebook (ID:6)
Count: 188

Layer: CT_2000_Blocks_Table (ID:7)
Count: 53835

Layer: CT_2000_Blocks_Codebook (ID:8)
Count: 208