Layer Estimates:

Layer: AttendeesAlleghenyCounty (ID:0)
Count: 932
Extent:

XMin: -8932873.30172467
YMin: 4905659.42826301
XMax: -8872388.81257641
YMax: 4963932.92447262
Spatial Reference: 102100 (3857)

Layer: Streets (ID:1)
Count: 92430
Extent:

XMin: -8945447.3131176
YMin: 4894426.9917241
XMax: -8871326.65047336
YMax: 4964404.80438949
Spatial Reference: 102100 (3857)

Layer: AlleghenyCounty (ID:2)
Count: 1
Extent:

XMin: -8945731.84583025
YMin: 4894225.14954904
XMax: -8870912.65314793
YMax: 4964513.41974759
Spatial Reference: 102100 (3857)

Layer: AttendeesAlleghenyCounty.csv (ID:3)
Count: 932