Layer Estimates:

Layer: Final ODF HCP4 Stream Buffers (ID:1)
Count: 352
Extent:

XMin: -13869945.3687425
YMin: 5136564.54619792
XMax: -13563357.5481952
YMax: 5824222.09510107
Spatial Reference: 102100 (3857)

Layer: Original Terrainworks HCP Stream Buffers (ID:0)
Count: 743
Extent:

XMin: -13864410.2421121
YMin: 5151634.48710796
XMax: -13452919.5928958
YMax: 5824684.87187744
Spatial Reference: 102100 (3857)