1907. 2009-12-14T22:10:53Z. 2015-03-03T23:10:01Z. Harper, Macdonald & Co. Harper, MacDonald & Co. English. Public. Butte (Mont.), Silver Bow County (Mont.), Montana, Butte, and Silver Bow County.
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1905. 2015-02-26T17:56:11Z. 2023-10-25T16:55:49Z. Harper-MacDonald Company. Harper, MacDonald & Co. English. Public. Montana, Butte, Silver Bow County, Butte (Mont.), and Silver Bow County (Mont.).
1897. 2014-05-29T16:49:32Z. 2021-10-01T21:32:56Z. Baker & Harper, issuing body. Baker & Harper,H.B. Stranahan & Co., map engravers. English. cartographic image. Public. Silver Bow County (Mont.).
1897. 2002-09-23T18:21:48Z. 2021-09-21T21:33:40Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Butte (Mont.) and Silver Bow County (Mont.).