Old Historical State, County and City Maps of Montana

Maps of Montana

Most historical maps of Montana were published in atlases. Within the atlases are historical maps, illustrations, and histories many of which contain family names ideal for genealogical research.

Montana maps can be very useful in conducting research, especially in light of the now extinct communities. Several kinds of maps are available which can help in locating land, mining claims, ghost towns, or ranches. 

Map of Montana County Boundaries and County Seats
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Map of Montana County Boundaries and County Seats

The U.S. Geological Survey topographical maps for Montana can be ordered through the USGS website or the Montana office at 3162 Bozeman Ave., Helena, MT 59601.

The libraries in the state designated by the U.S. Geological Survey as map depository libraries are the Montana Historical Society; Montana State University–Billings; Montana State University–Bozeman; Montana Tech at the University of Montana, Butte; Montana State University–Northern, Havre; Montana State Library, Helena; and the University of Montana, Missoula.

The Montana Territory was organized on May 26, 1864. The State of Montana was created as the 41st state on November 8, 1889.

States bordering Montana are North DakotaIdahoWyomingSouth DakotaBritish Columbia, Canada and Alberta, Canada.

Map of Montana County Formations 1848-1950

This Interactive Montana County Maps show the historical boundaries, names, organization, and attachments of every county, extinct county and unsuccessful county proposal from 1848 to 1950. Montana contains 56 counties.

Montana County Map Formation by Year

Montana County Map Abbreviations

  1. unorg. = unorganized
  2. g. = gained
  3. w. = with
  4. fr. = from
  5. atmt. = attachment
  6. exch = exchanged
  7. nca.= non county area
  8. ch. = changed
  9. Be – Beaverhead
  10. BH – Big Horn
  11. Bl – Blaine
  12. Br – Broadwater
  13. Cas – Cascade
  14. Cbn – Carbon
  15. Ch – Choteau
  16. Ctr – Carter
  17. Cu – Custer
  18. Dan – Daniels
  19. Daw – Dawson
  20. DL – Deer Lodge
  21. Fa – Fallon
  1. Fe – Fergus
  2. Fl – Flathead
  3. Gal – Gallatin
  4. Gar – Garfield
  5. Gl – Glacier
  6. Gr – Granite
  7. GV – Golden Valley
  8. Hi – Hill
  9. JB – Judith Basin
  10. Je – Jefferson
  11. L&C – Lewis and Clark
  12. La – Lake
  13. Lib – Liberty
  14. Lin – Lincoln
  15. Ma – Madison
  16. McC – McCone
  17. Me – Meagher
  18. Min – Mineral
  19. Mis – Missoula
  20. Mu – Musselshell
  21. Pa – Park
  1. Pe – Petroleum
  2. Ph – Phillips
  3. Pon – Pondera
  4. Pow – Powell
  5. PR – Powder River
  6. Pr – Prairie
  7. Ra – Ravalli
  8. Ri – Richland
  9. Roo – Roosevelt
  10. Ros – Rosebud
  11. Sa – Sanders
  12. SB – Silver Bow
  13. SG – Sweet Grass
  14. Sh – Sheridan
  15. St – Stillwater
  16. Te – Teton
  17. To – Toole
  18. Tr – Treasure
  19. Va – Valley
  20. Wh – Wheatland

Old Historical Atlas Maps of Montana

This Historical Montana Map Collection are from original copies so you can see Montana as our ancestors saw them over a hundred years ago.Some Montana map years (not all) have cities, railroads, P.O. locations, township outlines and other features useful to the Montana researcher.

Montana Map Links

  • 1865 Colton’s World Atlas Map of Montana, Oregon, Washington, Idaho & British Columbia – Map showing the state boundaries in color, including portion of California, Nevada, Dakota and Utah. Relief shown by hachures.
    Colton’s General Atlas, Containing One Hundred And Eighty Steel Plate Maps And Plans, On One Hundred And Eight Imperial Folio Sheets, Drawn By G. Woolworth Colton. Letter-Press Descriptions, Geographical, Statistical, And Historical,
  • Johnson’s 1870 World Atlas Map of Montana, Nebraska, Dakota, Idaho, and Wyoming
    Johnson’s New Illustrated Family Atlas Of The World, Was Awarded The First Prize Medal At The Universal Exposition Of 1867, In Paris, With A Treatise On Physical Geography. With Descriptions, Geographical, Statistical, And Historical Data
  • Cram’s 1878 National Rail Road & Township Atlas Map of Montana
    Cram’s Standard American Atlas Of The United States, Compiled from the very latest sources, showing Railroads, Rivers, Counties, Towns, Villages, Post Offices, Population, &c., to date.
  • 1879 Rand, McNally & Co.’s National Atlas Map of Montana – Counties in outline color. Relief shown by hachures.
    Rand, McNally & Co.’s Business Atlas Containing Large Scale Maps of Each State and Territory of the United States, The Provinces Of Canada, West India Islands, Etc., Etc. Together with a Complete Reference Map of the World … Accompanied by a New and Original Compilation and Ready Reference Index, Showing in Detail the Entire Railroad System of North America
  • 1880 Montana Map
    Mitchell’s new general atlas, containing maps of the various countries of the World, plans of cities, etc., embraced in ninety-three quarto maps. Forming a series of one hundred and forty-seven maps and plans. Together with valuable statistical tables. Also, a list of post-offices of the United States and territories, and census of 1860 and 1870.
  • 1882 Montana Map
  • 1884 Montana Map

Montana County Map of Road and Highway’s

The Montana D.O.T. Highway Department has prepared a series of 2017 county road maps. These maps contain more detailed information about man-made features than the geological survey maps.

In addition to roads and boundaries, these maps include rural communities, churches, and cemeteries.These maps are downloadable and are in PDF format.

The main use of these are the locations of all known cemeteries in a county and of course the various roads and church locations. These Maps are Free to Download.Always up to date live Interactive Maps can be found here: Highway Systems


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