1. Montana : Sweet Grass Hills : 1:100,000-scale topographic map : 30 X 60 minute series (topographic)
2000. 2002-06-01T04:00:00Z. 2005-03-10T14:49:24Z. United States. Bureau of Land Management. The Bureau ; For sale by Montana State Office ; U.S. Geological Survey. English. Public. Montana.