Layer Estimates:

Layer: Arkansas Ports (ID:3)
Count: 10
Extent:

XMin: -10501689.4175012
YMin: 3913597.6893935
XMax: -10013824.1270458
YMax: 4257513.91610847
Spatial Reference: 102100 (3857)

Layer: Waterway Network (ID:2)
Count: 71
Extent:

XMin: -10524647.2747
YMin: 3884408.8274
XMax: -9971824.848
YMax: 4351990.8916
Spatial Reference: 102100 (3857)

Layer: Port Statistical Areas (ID:1)
Count: 14
Extent:

XMin: -10512522.5804782
YMin: 3789007.16166618
XMax: -9943889.78664354
YMax: 4421125.60466855
Spatial Reference: 102100 (3857)