Layer Estimates:

Layer: MT_Airports (ID:0)
Count: 270
Extent:

XMin: -12918211.3138168
YMin: 5572357.9392942
XMax: -11585177.1094211
YMax: 6274859.65001945
Spatial Reference: 102100 (3857)

Layer: Political Boundaries (Area) (ID:1)
Count: 1832
Extent:

XMin: -20037507.0671618
YMin: -551064.81830105
XMax: 20037507.0671618
YMax: 30240971.9583861
Spatial Reference: 102100 (3857)

Layer: Power Plants (ID:2)
Count: 103
Extent:

XMin: -12898755.2642323
YMin: 5621713.39490399
XMax: -11592032.5347299
YMax: 6274986.4484004
Spatial Reference: 102100 (3857)

Layer: Interstates & Highways (ID:3)
Count: 189
Extent:

XMin: -12881661.4937096
YMin: 5549883.81305371
XMax: -11582414.3689838
YMax: 6274628.53154168
Spatial Reference: 102100 (3857)

Layer: tl_2016_us_primaryroads (ID:4)
Count: 12509
Extent:

XMin: -19016860.068267
YMin: -1610140.63293876
XMax: -7307975.04303462
YMax: 6275217.38590433
Spatial Reference: 102100 (3857)

Layer: Railroads (ID:5)
Count: 2319
Extent:

XMin: -12918530.0586024
YMin: 5543761.6381991
XMax: -11578280.3464091
YMax: 6274588.02846615
Spatial Reference: 102100 (3857)

Layer: Montana (ID:6)
Count: 1832
Extent:

XMin: -20037507.0671618
YMin: -551064.81830105
XMax: 20037507.0671618
YMax: 30240971.9583861
Spatial Reference: 102100 (3857)