Layer Estimates:

Layer: canada_features (ID:0)
Count: 365399
Extent:

XMin: -15696473.0457959
YMin: 5113582.7515949
XMax: -5836726.80979666
YMax: 17932480.9231237
Spatial Reference: 102100 (3857)

Layer: undersea_features (ID:1)
Count: 3653
Extent:

XMin: -19759273.1065615
YMin: 4028802.24525935
XMax: -222577.79371497
YMax: 30107753.4944839
Spatial Reference: 102100 (3857)