1. Montana, Harlem : 1:100 000-scale topographic map : 30 X 60 minute series (topographic) Yale Public content 2001. 2002-06-01T04:00:00Z. 2005-03-10T15:07:17Z. United States. Bureau of Land Management. The Bureau ; BLM Montana State Office ; U.S. Geological Survey. English. Public. Montana.