Layer Estimates:

Layer: CommuteFlows_All (ID:0)
Count: 351
Extent:

XMin: -8185691.69921315
YMin: 5046500.43593293
XMax: -7781075.4333866
YMax: 5294988.52150423
Spatial Reference: 102100 (3857)

Layer: ACS_BCcommuteFlows_MATown (ID:1)
Count: 294