Montana, the big sky country
Subtitle: 1967 highway map
By: Montana State Highway Commission
Publisher: The Commission
Published: 1967
Place of publication: Helena
Language: eng
Subjects: Roads; Maps
Notes: Title taken from folded cover.

Relief shown by shading.

Insets: Great Falls -- Helena -- Billings -- Butte -- Missoula.

Includes index to counties (1960 census), cities and towns; points of interest; mileage table; traffic regulations and safety rules; and Montana roads open for winter travel.

Verso: Montana historical and travel information with color photographs.