Layer Estimates:

Layer: Arctic Sea Routes (ID:0)
Count: 3
Extent:

XMin: -3271750.21996615
YMin: -3524371.02968441
XMax: 1865546.31735482
YMax: 3437890.66103406
Spatial Reference: 102018 (102018)

Layer: Canadian Shipping Routes (ID:1)
Count: 223
Extent:

XMin: -3774669.7747
YMin: -1549454.6616
XMax: -554232.309300002
YMax: 2380099.9841
Spatial Reference: 102018 (102018)