617ja 1959 Roa-N ONTARIO, PROVINCIA - CARRETERAS. 1959. Road map of the northern portion of the province of Ontario. Toronto, Department of Highways, 1959. Color. 64 x 92 cm., pleg. 22 x 12 cm. Escala 1:1.267,000. 40 recuadros.- Index. Señala carreteras principales precisando distancias. Reverso: Road map of the Southern portion of the province of Ontario 1:760,000. Título en la cubierta: Ontario. Official road map.