State of Montana East Half Base Map with Highways and Contours

USGS's State of Montana East Half Base Map with Highways and Contours is a political, road, and topographic map all-in-one! Paper, one-sided wall map. Projection = Lambert conformal conic based on standard parallels 33° and 45° Scale = 1:500,000 Contour Interval = 500' topographic UTM Zones = 11, 12, & 13 Horizontal Datum = North American 1927 Vertical Datum = National Geodetic 1929 Size = 46" x 46" TMT1503