Layer Estimates:

Layer: Mile_Markers (ID:0)
Count: 6698
Extent:

XMin: 226245.654042594
YMin: 3891773.97810645
XMax: 769536.835354035
YMax: 4653982.09089421
Spatial Reference: 26911 (26911)

Layer: Statewide_Routes_Functional_Class (ID:1)
Count: 1938
Extent:

XMin: 240540.823200001
YMin: 3894049.25
XMax: 763121.561600002
YMax: 4652051.922
Spatial Reference: 26911 (26911)

Layer: Counties (ID:2)
Count: 17
Extent:

XMin: 240110.4184
YMin: 3875808.1503
XMax: 765806.4222
YMax: 4653620.5873
Spatial Reference: 26911 (26911)