Historical Montana State Maps

Idaho, Montana, Wyoming - Vandermaelen 1827 - 23 x 25.76
Montana - Ide 1890 - 36.13 x 23
Montana - Rand McNally 1879 - 34.44 x 23
Montana - Rand McNally 1881 - 23 x 34.68
Montana Territory - Cram 1875 - 31 x 23
Montana Territory - Delacy 1872 - 34.5 x 23
Northwest United States - Petermann 1872 - 23 x 27.37
Oregon, Washington, Idaho, Montana - Campbell 1879 - 23 x 29.14
Oregon, Washington, Idaho, Montana - Mitchell 1870 - 23 x 28.09
Texaco - Idaho, Montana, Wyoming - Rand McNally 1937 - 23 x 24.
Yellowstone National Park - US Park Services 1972 - 23 x 28.77
Yellowstone National Park Boundaries - 1895 - 23 x 24.31