Montana 1:100,000-scale topographic map : 30 x 60 minute series (topographic) / Big Timber :
|Main Author:||United States. Bureau of Land Management,|
|Other Authors:||National Operations Center (U.S.),, United States. Bureau of Land Management. Montana State Office,|
[Reston, Va.] :
U.S. Department of the Interior, Bureau of Land Management,
For sale by U.S. Department of the Interior, Bureau of Land Manamgement, Montana State Office.
1 map : color ; 56 x 78 cm.
Surface management status.