Layer Estimates:

Layer: Logan International Airport (ID:0)
Count: 1
Extent:

XMin: -7907425.66908777
YMin: 5213017.13020132
XMax: -7902131.13923109
YMax: 5218709.33535811
Spatial Reference: 102100 (3857)

Layer: Study Area (ID:1)
Count: 17
Extent:

XMin: -7925018.11557794
YMin: 5190897.09313648
XMax: -7883738.18861079
YMax: 5238132.95092853
Spatial Reference: 102100 (3857)