Layer Estimates:

Layer: Dry Tortugas Points of Interest (ID:0)
Count: 128
Extent:

XMin: -9235808.3801
YMin: 2822611.3352
XMax: -9213543.2251
YMax: 2842071.1087
Spatial Reference: 102100 (3857)

Layer: Dry Tortugas National Park (ID:1)
Count: 1
Extent:

XMin: -9235943.1606
YMin: 2822449.2864
XMax: -9100982.7179
YMax: 2842142.2977
Spatial Reference: 102100 (3857)