Sheet 92H : Sheet G-47T Bhamo GSGS 4218 First Edition 1943. Surveyed 1885-92, 1897-1900, 1909-12. Main road Namkham to Myitkyina verified departmentally 1939-40. Compiled and published originally SGI 1916. Published WO 1943. Heliographed OSO 1943. 2,500/11/43F. Grid II B.