National Highways AssociationIncludes information on the population to be served and other notes. "June 1914." "Copyrighted October, 1915 by ..."30 x 18 centimetersJPEGUMN_ALMA:9973519882801701engNational Highways Association (Washington, D.C.), 1915PublicNational highways map of the state of Rhode Island showing two hundred miles of national highways proposed by the National Highways AssociationMapsRhode Island1915University of Minnesota