Layer Estimates:

Layer: bos_contour (ID:0)
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Extent:

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Spatial Reference: 102100 (3857)

Layer: Units (ID:1)
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Extent:

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YMin: 5213971.14369433
XMax: -7910679.01780149
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Spatial Reference: 102100 (3857)

Layer: Test Blocks (ID:2)
Count: 60
Extent:

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YMin: 5213935.4409867
XMax: -7910635.69453974
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Spatial Reference: 102100 (3857)

Layer: 'Completed Catalog (65,676)$' (ID:18)
Count: 20792

Layer: Completed_Catalog (ID:24)
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Layer: Sheet1$ (ID:27)
Count: 196