Layer Estimates:

Layer: Ports_2 (ID:0)
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Extent:

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Layer: Ports (ID:1)
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Extent:

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Spatial Reference: 102100 (3857)

Layer: land_USA (ID:2)
Count: 1
Extent:

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Spatial Reference: 102100 (3857)

Layer: itd_3merge (ID:3)
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Extent:

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Spatial Reference: 102100 (3857)

Layer: ne_50m_admin_0_countries (ID:5)
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Extent:

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XMax: 20037507.0671618
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Spatial Reference: 102100 (3857)

Layer: 1000km_buffer (ID:6)
Count: 1
Extent:

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YMin: 1110600.31399616
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Spatial Reference: 102100 (3857)

Layer: ne_50m_ocean (ID:7)
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Extent:

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Spatial Reference: 102100 (3857)