Layer Estimates:

Layer: Mileposts (ID:0)
Count: 87
Extent:

XMin: 583525.314
YMin: 5174152.2827
XMax: 613192.8713
YMax: 5203176.5012
Spatial Reference: 26910 (26910)

Layer: Other_Park_Roads (ID:1)
Count: 17
Extent:

XMin: 582662.2969
YMin: 5176253.5057
XMax: 609675.1918
YMax: 5196575.1748
Spatial Reference: 26910 (26910)

Layer: Mt_Rainier_Roads (ID:2)
Count: 33
Extent:

XMin: 582509.482399869
YMin: 5173703.3172
XMax: 613224.7528
YMax: 5203785.9405
Spatial Reference: 26910 (26910)