Detailed map of Idaho published by the United States Department of the Interior Geological Survey. Scale 1:500,000, compiled using 1927 North American Datum. Features Lambert conformal conic projection with population indicators for cities like Boise and Twin Falls. Includes shaded relief and key for state capital and county seats. A historical cartographic reference, compiled in 1964 and issued in 1969. 65*45
Detailed map of Idaho published by the United States Department of the Interior Geological Survey. Scale 1:500,000, compiled using 1927 North American Datum. Features Lambert conformal conic projection with population indicators for cities like Boise and Twin Falls. Includes shaded relief and key for state capital and county seats. A historical cartographic reference, compiled in 1964 and issued in 1969. 65*45
