Layer Estimates:

Layer: ECS_Region_Spl_Polygon_Merge (ID:0)
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Extent:

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Layer: ECS_Region_Spl_PolygonToLine (ID:1)
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Layer: eez_USCAN (ID:2)
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Layer: US_Border (ID:3)
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Layer: Canada_Border (ID:4)
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Extent:

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Layer: ECS_Russia (ID:5)
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Extent:

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Layer: ECS_Canada (ID:6)
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Extent:

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Layer: ecs_v02 (ID:7)
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Spatial Reference: 5936 (5936)

Layer: ECS_Region_Base_Canada (ID:8)
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Layer: ECS_Region_Base_USA (ID:9)
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Layer: ECS_Region_A_CanadaBorder (ID:10)
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Spatial Reference: 5936 (5936)

Layer: ECS_Region_B_USABorder (ID:11)
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Extent:

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Spatial Reference: 5936 (5936)

Layer: ECS_Region_C_Median (ID:12)
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Layer: ECS_USA (ID:13)
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Extent:

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Spatial Reference: 5936 (5936)

Layer: EEZ_Arctic (ID:14)
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Extent:

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Spatial Reference: 5936 (5936)

Layer: ECS_Region_Split (ID:15)
Count: 11
Extent:

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XMax: 2474957.17021465
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Spatial Reference: 5936 (5936)

Layer: eez_poly_USCan (ID:16)
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Extent:

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Spatial Reference: 5936 (5936)

Layer: USRus_Border (ID:17)
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Extent:

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Spatial Reference: 5936 (5936)

Layer: Arctic_Circle_Mask (ID:18)
Count: 1
Extent:

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Spatial Reference: 5936 (5936)