1. IOR/X/14138/18M Reference (shelfmark): IOR/X/14138/18M Title: Sheet 18M : Sheet G-40B Fin K501 1:250,000 Edition 4-AMS 1961. First printing 9-61. Copied from SI Edition July 1941. Printed AMS 9-61. UTM Grid. Collection Area: Map Collections Languages: English Date Range: Unspecified Extent: 1 item