Layer Estimates:

Layer: LengthsAnno_FeatureOutlineMa (ID:0)
Count: 47
Extent:

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XMax: -13103781.358288
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Spatial Reference: 102100 (3857)

Layer: Center (ID:1)
Count: 1
Extent:

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YMin: 4043373.38392132
XMax: -13103831.5169332
YMax: 4043373.38392132
Spatial Reference: 102100 (3857)

Layer: Lengths (ID:2)
Count: 47
Extent:

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YMin: 4043323.04109371
XMax: -13103781.1719721
YMax: 4043423.51147856
Spatial Reference: 102100 (3857)

Layer: locatoin.csv (ID:3)
Count: 1