Layer Estimates:

Layer: StreamGaugesLive_West (ID:0)
Count: 5435
Extent:

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YMin: 3677410.27640001
XMax: -11382495.8573
YMax: 11232049.1917
Spatial Reference: 102100 (3857)

Layer: west_na_supplement (ID:1)
Count: 648
Extent:

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YMin: 3676063.88664834
XMax: -11359269.5826484
YMax: 11345146.9362436
Spatial Reference: 102100 (3857)

Layer: snake_river (ID:2)
Count: 2
Extent:

XMin: -13252816.1131721
YMin: 5238242.33001039
XMax: -12315084.385319
YMax: 5896317.90855175
Spatial Reference: 102100 (3857)

Layer: colorado_river (ID:3)
Count: 2
Extent:

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YMin: 3830022.64014534
XMax: -11778707.0732589
YMax: 4924842.88234427
Spatial Reference: 102100 (3857)

Layer: columbia_river (ID:4)
Count: 2
Extent:

XMin: -13715270.3258123
YMin: 5711088.19663303
XMax: -13094964.840876
YMax: 6274987.33317957
Spatial Reference: 102100 (3857)

Layer: west_rivers (ID:5)
Count: 80
Extent:

XMin: -18356970.5842883
YMin: 3676193.05377297
XMax: -11359554.0536044
YMax: 11378462.7244679
Spatial Reference: 102100 (3857)

Layer: rivers (ID:6)
Count: 1455
Extent:

XMin: -18356970.5842883
YMin: -6828695.23862782
XMax: 19761475.7133957
YMax: 13282672.2216926
Spatial Reference: 102100 (3857)

Layer: na supplement (ID:7)
Count: 5260
Extent:

XMin: -18514111.5255918
YMin: 1022381.28150706
XMax: -3034831.94163327
YMax: 17500928.9918779
Spatial Reference: 102100 (3857)

Layer: roads (ID:8)
Count: 17378
Extent:

XMin: -17600079.5840566
YMin: 2034525.92576639
XMax: -7307975.08274074
YMax: 8758184.4343363
Spatial Reference: 102100 (3857)

Layer: west (ID:9)
Count: 12
Extent:

XMin: -19951916.4837268
YMin: 3675962.21739422
XMax: 20021886.724919
YMax: 11554352.6208824
Spatial Reference: 102100 (3857)

Layer: states (ID:10)
Count: 56
Extent:

XMin: -19951916.4837268
YMin: -1643353.73317949
XMax: 20021886.7298438
YMax: 11554352.6208824
Spatial Reference: 102100 (3857)