Layer Estimates:

Layer: Conventional Locations (ID:0)
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Extent:

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Spatial Reference: 102100 (3857)

Layer: Contour 16.81 (ID:8)
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Extent:

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Spatial Reference: 102100 (3857)

Layer: Contour 20.74 (ID:6)
Count: 54
Extent:

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XMax: -8649217.3411155
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Spatial Reference: 102100 (3857)

Layer: Contour 22.7 (ID:5)
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Extent:

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XMax: -8649527.24096598
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Spatial Reference: 102100 (3857)

Layer: PA Counties (ID:9)
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Extent:

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YMin: 4825308.51900714
XMax: -8314404.07693089
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Spatial Reference: 102100 (3857)