Layer Estimates:

Layer: AlleghenyCountyCensusBlockRace (ID:0)
Count: 1062
Extent:

XMin: -8945723.94216758
YMin: 4894216.69700586
XMax: -8870936.47546982
YMax: 4964513.41966561
Spatial Reference: 102100 (3857)

Layer: PRTBusRoutesbyservice (ID:1)
Count: 102
Extent:

XMin: -8936282.31493936
YMin: 4904447.28305771
XMax: -8871333.52850506
YMax: 4963448.03529415
Spatial Reference: 102100 (3857)

Layer: RaceCensusTableCleaned (ID:4)
Count: 1062