Joseph H. Harper & Malcolm L. MacDonald, Map of the Mining Claims Butte and Vicinity Montana
Rand McNally & Co., Great Falls Montana
Rand McNally, Montana
Samuel Augustus Mitchell (1790-1868), Map of Oregon, Washington, Idaho, and part of Montana
Samuel Augustus Mitchell Jr, County and Township Map Montana, Idaho, and Wyoming
U.S. General Land Office, Dept. of the Interior, State of Montana
