Montana, the big sky country
Subtitle: 1968 highway map
By: Montana State Highway Commission
Publisher: Montana State Highway Commission
Published: 1968
Place of publication: Helena
Language: eng
Subjects: Roads; Maps
Notes: Panel title.

Relief shown by shading and spot heights.

Includes index to counties (1965 estimates), cities and towns; points of interest; mileage table; traffic regulations and safety rules; and 5 inset maps.

Col. ill., travel information and an ancillary map of the Lewis and Clark trail on verso.