Geological Survey (U.S.) & Frishman, D. (1992). Map showing the location of productive lode and placer gold mines in Montana. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and David Frishman. Map Showing the Location of Productive Lode and Placer Gold Mines in Montana. Reston, VA: The Survey, 1992.
MLA (9th ed.) CitationGeological Survey (U.S.) and David Frishman. Map Showing the Location of Productive Lode and Placer Gold Mines in Montana. The Survey, 1992.
Warning: These citations may not always be 100% accurate.