Layer Estimates:

Layer: Volcanos (ID:0)
Count: 20
Extent:

XMin: -122.769996817227
YMin: 34.5499994504951
XMax: -115.779998648533
YMax: 41.5800017167532
Spatial Reference: 4269 (4269)

Layer: GolfCourses (ID:1)
Count: 436
Extent:

XMin: -124.168678389414
YMin: 32.6564445889756
XMax: -114.600799550286
YMax: 41.8354187589479
Spatial Reference: 4269 (4269)

Layer: EarthquakeHistory (ID:2)
Count: 221
Extent:

XMin: -128.001373346773
YMin: 32.7000542727014
XMax: -115.400817828672
YMax: 43.4998204174872
Spatial Reference: 4269 (4269)

Layer: Cities (ID:3)
Count: 444
Extent:

XMin: -124.162751982246
YMin: 32.5782548652585
XMax: -114.589241057072
YMax: 40.9473919319488
Spatial Reference: 4269 (4269)

Layer: Airports (ID:4)
Count: 51
Extent:

XMin: -124.236533924552
YMin: 32.7335550857881
XMax: -115.578742966186
YMax: 41.780158845765
Spatial Reference: 4269 (4269)

Layer: Rivers (ID:5)
Count: 1180
Extent:

XMin: -124.411186197176
YMin: 32.530426154325
XMax: -114.132606636454
YMax: 42.0095865200299
Spatial Reference: 4269 (4269)

Layer: Highways (ID:6)
Count: 15330
Extent:

XMin: -124.216247372548
YMin: 32.5416333957369
XMax: -114.093865321917
YMax: 42.005359641741
Spatial Reference: 4269 (4269)

Layer: UrbanAreas (ID:7)
Count: 38
Extent:

XMin: -122.837247183283
YMin: 32.5341558010612
XMax: -114.568951887141
YMax: 40.7052478810618
Spatial Reference: 4269 (4269)

Layer: Lakes (ID:8)
Count: 282
Extent:

XMin: -124.322830076786
YMin: 32.493865828809
XMax: -114.075156907405
YMax: 42.0934485672601
Spatial Reference: 4269 (4269)

Layer: Counties (ID:9)
Count: 58
Extent:

XMin: -124.392637796334
YMin: 32.5357815450638
XMax: -114.125230767691
YMax: 42.0021919390728
Spatial Reference: 4269 (4269)