Sheet NB 50-10 Jesselton Series T503 Edition 1–DNMM 1964. Compiled LSD Sabah from existing 1:50,000 topographical maps and 1:250,000 maps. Published DNMM 1964. Printed SD Malaya No.53-1964. Netherlands East Indies Grid Equatorial Zone.
No.7 Rough Plan Of Fortress & Settlement Of Askabad. A. Condie Stephen, Teheran, March 7th. 1882. Scale [approximately 1:2,500]. Intelligence Branch, No.207. Zincographed IB WO Octr 1882.
Sheet 6 SE [Nang-Kar-Tse Dzong First Edition] 1905. Season 1904-05. Surveyed Maj C H D Ryder RE and Capt H M Cowie RE, Sher Jang, Dalbir Rai and Hazrat Ali. Published July 1905. Heliozincographed OTB SI Dehra Dun. No.D.32, S.I. 20-4-1905–242. Reg.No.196–S. 05. Incomplete: Lake Palti area only. Printed black and brown; lakes, glaciers and roads hand-coloured.