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|All Authors / Contributors:||Geological Survey (U.S.),; United States. Bureau of Public Roads.|
|Notes:||Most sheets include an index map with title "Arrangement of sheets for Idaho" and a "County index by sheets."|
|Description:||1 map on 13 sheets : color ; 59 x 85 cm each sheet.|
|Cartographic Mathematical Data:||Scale 1:250,000. Approximately 1 inch to 4 miles ;; Lambert conformal conic projection. Standard parallels 33Â° and 45Â°.; (W 117Â°15Ê¹--W 111Â°/N 49Â°--N 42Â°).|
|Responsibility:||compiled and printed by the U.S. Geological Survey for the Public Roads Administration ; subsequent revisions by the Public Roads Administration.|