Layer Estimates:

Layer: WBD_HU4 (ID:0)
Count: 16
Extent:

XMin: -120.245014763379
YMin: 33.8756586547099
XMax: -105.626410347528
YMax: 44.7550149961563
Spatial Reference: 4269 (4269)

Layer: WBD_HU6 (ID:1)
Count: 21
Extent:

XMin: -118.981621844507
YMin: 33.8756586547099
XMax: -105.626410347528
YMax: 44.7550149961563
Spatial Reference: 4269 (4269)

Layer: WBD_HU8 (ID:2)
Count: 107
Extent:

XMin: -116.334221659033
YMin: 34.991643580061
XMax: -105.626410347528
YMax: 43.6901471103091
Spatial Reference: 4269 (4269)

Layer: WBD_HU10 (ID:3)
Count: 675
Extent:

XMin: -115.253776399251
YMin: 35.383516122161
XMax: -106.974631128769
YMax: 43.2182886547915
Spatial Reference: 4269 (4269)

Layer: WBD_HU12 (ID:4)
Count: 3805
Extent:

XMin: -115.150210371287
YMin: 35.6284234707392
XMax: -107.096478523372
YMax: 42.9108169177688
Spatial Reference: 4269 (4269)