Layer Estimates:

Layer: USNG 6x8 Zones (ID:0)
Count: 328
Extent:

XMin: -179.995197875
YMin: -63.9999826929999
XMax: 20.9999587680001
YMax: 83.9999968720001
Spatial Reference: 4269 (4269)

Layer: USNG_100000m (ID:1)
Count: 40935
Extent:

XMin: -179.995201552361
YMin: -64.0000638205211
XMax: 179.995305716579
YMax: 84.0002041625626
Spatial Reference: 4269 (4269)

Layer: USNG 10000m (ID:2)
Count: 111408
Extent:

XMin: -179.343191463
YMin: 17.843922277
XMax: 179.829139477
YMax: 71.4084878180001
Spatial Reference: 4269 (4269)

Layer: USNG 1000m (ID:3)
Count: 10686502
Extent:

XMin: -179.343191463
YMin: 17.843922277
XMax: 179.829139477
YMax: 71.4084878180001
Spatial Reference: 4269 (4269)

Layer: USNG 100m (ID:4)
Count: 70938284
Extent:

XMin: -123.128837151
YMin: 17.9762289220001
XMax: -65.5449965399999
YMax: 49.366606055
Spatial Reference: 4269 (4269)