Layer Estimates:

Layer: OST_Programs_Boston (ID:0)
Count: 113
Extent:

XMin: -7921516.32294951
YMin: 5197394.71114744
XMax: -7905367.52028673
YMax: 5218552.71586757
Spatial Reference: 102100 (3857)

Layer: Clusters (ID:1)
Count: 28
Extent:

XMin: -7922220.99760921
YMin: 5200945.25999751
XMax: -7906606.94211063
YMax: 5216437.17316987
Spatial Reference: 102100 (3857)

Layer: CrashRecordsPoints (ID:2)
Count: 3812
Extent:

XMin: -7923510.81833866
YMin: 5196215.27359299
XMax: -7903082.0286649
YMax: 5220292.57443663
Spatial Reference: 102100 (3857)

Layer: Boston_Street_Segments (ID:3)
Count: 19345
Extent:

XMin: -7924275.30991178
YMin: 5195525.16323019
XMax: -7895281.06720562
YMax: 5220500.56848376
Spatial Reference: 102100 (3857)

Layer: Census Tracts (ID:4)
Count: 207
Extent:

XMin: -7925003.20142093
YMin: 5195051.81668778
XMax: -7894709.23790948
YMax: 5221929.59539251
Spatial Reference: 102100 (3857)